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Choose a table:
Medicines (732)
Medicines
> halflife:
6-15 hours'"`UNIQ--ref-0000013E-QINU`"'
&
pregnancy:
None
Use the filters below to narrow your results.
generic:
Hydrochlorothiazide (1)
brand:
Microzide; mostly prescribed generically (1)
classes:
[[:Category:Antihypertensives|Antihypertensive]] (1)
·
[[:Category:Thiazide_diuretics|Thiazide diuretic]] (1)
mechanism:
'"`UNIQ--vote-00000138-QINU`"' Decreases urinary calcium (used in stone prevention); raises serum uric acid, glucose, and lipids modestly; non-anion-gap hypokalemic metabolic alkalosis is the characteristic electrolyte pattern'"`UNIQ--ref-00000139-QINU`"'. (1)
uses:
'"`UNIQ--vote-0000013A-QINU`"', '"`UNIQ--vote-0000013B-QINU`"', '"`UNIQ--vote-0000013C-QINU`"', '"`UNIQ--vote-0000013D-QINU`"' (1)
starting dose:
12.5-25 mg PO once daily (1)
preparations:
12.5 mg capsules; 12.5, 25, 50 mg tablets (1)
fda max:
50 mg/d (hypertension); up to 200 mg/d (edema) (1)
routes:
Oral (1)
onset:
Diuresis at 2 hours; antihypertensive effect within days, max at 3-4 weeks (1)
duration:
6-12 hours (1)
halflife:
(Click arrow to add another value)
None
·
~12 hours
·
~27 days
·
~5 h (caffeine)
·
'''Autoinduction''': 25-65 hours initially, falling to 12-17 hours after 2-3 weeks of dosing as carbamazepine induces its own CYP3A4 metabolism. Major clinical implication: doses require re-titration after the autoinduction period'"`UNIQ--ref-0000001D-QINU`"'
·
0.5-1.5 hours (plasma); pharmacodynamic effect persists 24+ hours'"`UNIQ--ref-000000DE-QINU`"'
·
1-1.3 hours'"`UNIQ--ref-000001A1-QINU`"'
·
1-1.5 hours'"`UNIQ--ref-00000DE3-QINU`"'
·
1-2 hours (parent compound)'"`UNIQ--ref-00000029-QINU`"'
·
1-2 hours (parent); 18-30 hours for active metabolite oxypurinol'"`UNIQ--ref-0000030F-QINU`"'
·
1-2 hours'"`UNIQ--ref-00000017-QINU`"'
·
1-3 hours (normal liver); markedly prolonged in overdose with glutathione depletion'"`UNIQ--ref-000006A5-QINU`"'
·
1-3 minutes (very short)'"`UNIQ--ref-00000C0F-QINU`"'
·
1.4 hours (parent); 13-24 hours for active metabolite canrenone'"`UNIQ--ref-00000354-QINU`"'
·
1.5-2 hours (longer in renal failure)'"`UNIQ--ref-00000222-QINU`"'
·
1.5-2 hours'"`UNIQ--ref-00000020-QINU`"'
·
10-11 hours (benazeprilat, the active metabolite)'"`UNIQ--ref-00000A22-QINU`"'
·
11-13 h (immediate-release); 11-16 h (extended-release)
·
11-15 hours'"`UNIQ--ref-00000842-QINU`"'
·
12-15 hours (intermediate); '''no active metabolites''' (key clinical feature)'"`UNIQ--ref-00000023-QINU`"'
Other values:
12-15 hours'"`UNIQ--ref-00000022-QINU`"'
12-16 hours'"`UNIQ--ref-00000026-QINU`"'
12-17 hours'"`UNIQ--ref-00000029-QINU`"'
14 hours (parent); 20-30 hours including active ortho- and para-hydroxylated metabolites'"`UNIQ--ref-0000001B-QINU`"'
14-25 hours (longer in elderly and hepatic impairment)'"`UNIQ--ref-00000026-QINU`"'
14–26 h (oral); ~3 weeks (decanoate)
15-20 hours'"`UNIQ--ref-00000020-QINU`"'
16-22 hours'"`UNIQ--ref-0000047D-QINU`"'
18 hours (IR); 32-33 hours (ER)'"`UNIQ--ref-0000001A-QINU`"'
18-44 hours'"`UNIQ--ref-00000020-QINU`"'
1–4 days (7–15 days for norfluoxetine)
2 hours (parent); 6-9 hours for active carboxylic acid metabolite EXP3174'"`UNIQ--ref-000000BC-QINU`"'
2 hours'"`UNIQ--ref-00000015-QINU`"'
2-3 hours (normal renal function); markedly prolonged in renal impairment'"`UNIQ--ref-000010B3-QINU`"'
2-3 hours (parent and active N-desethyl metabolite)'"`UNIQ--ref-000006E1-QINU`"'
2-3 hours'"`UNIQ--ref-00000012-QINU`"'
2-4 hours'"`UNIQ--ref-00000026-QINU`"'
2-5 hours (IR); ER formulations extend functional duration via osmotic/matrix release'"`UNIQ--ref-0000074D-QINU`"'
2-5 hours'"`UNIQ--ref-000002D9-QINU`"'
2.2 h (IR parent); ~3 h (XR parent)
2.5 hours (short, requires TID-QID dosing)'"`UNIQ--ref-0000001D-QINU`"'
2.5-3.5 hours; longer in renal impairment'"`UNIQ--ref-0000025B-QINU`"'
2.5–3 hours
2.7-5.5 hours'"`UNIQ--ref-0000015E-QINU`"'
20-40 hours'"`UNIQ--ref-00000023-QINU`"'
21-54 hours'"`UNIQ--ref-00000026-QINU`"'
24–42 h (buprenorphine); 1–2 h (naloxone)
27-32 hours'"`UNIQ--ref-00000026-QINU`"'
2–3 h
2–3 h (parent compound)
3-10 hours (low dose); 8-15 hours (high dose); much longer in third-space accumulation (pleural effusion, ascites)'"`UNIQ--ref-000007C8-QINU`"'
3-4 hours (similar between PO and IV due to high oral bioavailability)'"`UNIQ--ref-00000B46-QINU`"'
3-4 hours'"`UNIQ--ref-00000026-QINU`"'
3-4.5 hours (IR); 5-7 hours (ER; effective duration 24 hours via formulation)'"`UNIQ--ref-00000642-QINU`"'
3-5 hours (IR); 4.5 hours (ER)'"`UNIQ--ref-0000001D-QINU`"'
3-6 hours (longer in hepatic impairment)'"`UNIQ--ref-00000378-QINU`"'
3-7 hours (IR); functional 24 hours (ER)'"`UNIQ--ref-00000A6B-QINU`"'
3-7 hours (slow acetylators) vs 1-3 hours (rapid acetylators) via NAT2 polymorphism'"`UNIQ--ref-00000687-QINU`"'
30-40 hours (long; accumulates with chronic dosing)'"`UNIQ--ref-00000026-QINU`"'
30-50 hours'"`UNIQ--ref-00000078-QINU`"'
30-50 minutes (short)'"`UNIQ--ref-00000021-QINU`"'
30–60 min
36-42 hours (R/S enantiomers differ; S-warfarin is 2-5× more potent and cleared by CYP2C9)'"`UNIQ--ref-00000705-QINU`"'
3–5 hours
3–6 h
3–7 h
4 hours'"`UNIQ--ref-00000938-QINU`"'
4-5 hours'"`UNIQ--ref-00000026-QINU`"'
4-6 hours (inhaled and PO)'"`UNIQ--ref-00000099-QINU`"'
4-8 hours (longer in elderly, 9-13 hours)'"`UNIQ--ref-00000026-QINU`"'
40-60 hours (notable for the thiazide class)'"`UNIQ--ref-00000783-QINU`"'
4–5 h
5-6 hours'"`UNIQ--ref-00000020-QINU`"'
5-6 hours'"`UNIQ--ref-00000EF9-QINU`"'
5-7 hours'"`UNIQ--ref-00000029-QINU`"'
5-9 hours (elderly: 11-13 hours)'"`UNIQ--ref-00000513-QINU`"'
6-15 hours'"`UNIQ--ref-0000013E-QINU`"'
6-8 hours'"`UNIQ--ref-0000001F-QINU`"'
6-8 hours'"`UNIQ--ref-00000BEB-QINU`"'
6-9 hours (substantially longer in renal impairment due to renal elimination)'"`UNIQ--ref-00000020-QINU`"'
6.2 hours (plasma); ~17 hours in erythrocytes'"`UNIQ--ref-00000018-QINU`"'
6.3 hours'"`UNIQ--ref-00000026-QINU`"'
60-100 hours (long)'"`UNIQ--ref-0000001B-QINU`"'
7-10 hours'"`UNIQ--ref-0000001B-QINU`"'
8-10 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000396-QINU`"'
8-12 hours (longer in elderly and renal impairment)'"`UNIQ--ref-0000001B-QINU`"'
8-16 hours'"`UNIQ--ref-0000001E-QINU`"'
9-15 hours'"`UNIQ--ref-000001BC-QINU`"'
9-16 hours (pH-dependent: acidic urine shortens, alkaline urine substantially extends)'"`UNIQ--ref-0000001B-QINU`"'
9-16 hours'"`UNIQ--ref-0000097C-QINU`"'
9–12 h
9–12 minutes (intravenous)
Amitriptyline 10-50 hours (highly variable); nortriptyline active metabolite 18-44 hours'"`UNIQ--ref-00000026-QINU`"'
Approximately 18-24 hours after acute administration; may extend to 36-48 hours with chronic dosing as tissue compartments equilibrate. Serum trough levels should be drawn 12 hours after the last dose for accurate interpretation.'"`UNIQ--ref-00000055-QINU`"'
Aqueous crystalline ~30 minutes; benzathine effective ~3 weeks via depot release'"`UNIQ--ref-00001419-QINU`"'
Aspirin 15-30 minutes; salicylate metabolite 2-3 hours (concentration-dependent, saturable at high doses)'"`UNIQ--ref-00000027-QINU`"'
Biphasic: ~3-6 hours alpha, ~5-9 hours beta'"`UNIQ--ref-0000001D-QINU`"'
Buprenorphine sublingual: 24-42 hours (long, contributes to extended dosing intervals). Norbuprenorphine (active metabolite, weaker mu-agonist): 24-48 hours.'"`UNIQ--ref-0000004F-QINU`"'
Bupropion ~21 hours; hydroxybupropion (active metabolite) ~20-37 hours'"`UNIQ--ref-00000023-QINU`"'
Buspirone 2-3 hours; 1-PP active metabolite 4-6 hours'"`UNIQ--ref-0000001D-QINU`"'
Butalbital ~35 hours (long; cumulative effects with frequent use); acetaminophen 1-3 hours; caffeine 3-7 hours'"`UNIQ--ref-0000159F-QINU`"'
Butalbital ~35 hours; aspirin (acetyl group) ~15 minutes, salicylate 2-3 hours; caffeine 3-7 hours'"`UNIQ--ref-000015B7-QINU`"'
Cariprazine ~2-4 d; major active metabolites desmethyl-cariprazine (DCAR) ~1-3 weeks → 'oral depot' effect with delayed steady-state and reduced effect of missed doses
Codeine 2.5-3.5 hours; acetaminophen 1-3 hours'"`UNIQ--ref-00001517-QINU`"'
D-amphetamine ~10 h; L-amphetamine ~13 h (adults)
Dextromethorphan substantially prolonged by quinidine's CYP2D6 inhibition (typical extensive metabolizers see ~10× higher AUC); quinidine ~6-8 hours'"`UNIQ--ref-00001583-QINU`"'
Dextromethorphan ~22 h (when CYP2D6 inhibited); bupropion ~21 h
Diazepam 20-50 hours; '''N-desmethyldiazepam (nordazepam) 30-200 hours''' is the major active metabolite and accumulates substantially with chronic dosing'"`UNIQ--ref-00000026-QINU`"'
Estimated ~12–17 h (some sources cite up to ~21 h); active metabolites prolong effect.
Highly variable by formulation; native T is hours
Highly variable, 7-46 hours (mean ~21 h); lipophilic deposition in fat with delayed re-release contributes to wide range'"`UNIQ--ref-00000065-QINU`"'
Mononitrate ~5 hours; dinitrate ~1 hour'"`UNIQ--ref-00001461-QINU`"'
Morphine 2-4 hours; morphine-6-glucuronide active metabolite 2-4 hours (longer with renal impairment)'"`UNIQ--ref-00000020-QINU`"'
N/A (incorporated into hemoglobin and tissue stores)
Naltrexone parent ~4 hours (oral); 6-beta-naltrexol (active metabolite) ~13 hours. Vivitrol depot terminal half-life 5-10 days with sustained release from microspheres maintaining blockade for the 4-week dosing interval.'"`UNIQ--ref-0000004F-QINU`"'
Naltrexone ~4 hours (6β-naltrexol metabolite ~13 hours); bupropion ~21 hours'"`UNIQ--ref-00001568-QINU`"'
Not absorbed
Not applicable (electrolyte and buffer)
Not applicable (electrolyte solution)
Not applicable (electrolyte)
Not formally established
Not meaningfully described
Not meaningfully described (electrolyte)
Not meaningfully described (electrolyte; renally cleared)
Not meaningfully described (minimal systemic absorption from topical use)'"`UNIQ--ref-00000F45-QINU`"'
Not meaningfully described (negligible systemic absorption from intact skin or oral mucosa)'"`UNIQ--ref-00001398-QINU`"'
Not meaningfully described (negligible systemic absorption — the drug acts locally and is degraded in the GI tract)'"`UNIQ--ref-0000119C-QINU`"'
Not meaningfully described (negligible systemic absorption)
Not meaningfully described (not systemically absorbed)'"`UNIQ--ref-00000D17-QINU`"'
Not meaningfully described (topical local action)'"`UNIQ--ref-00001239-QINU`"'
Not meaningfully described for an electrolyte; distribution between intra- and extracellular compartments is the relevant kinetic
Not meaningfully described for ophthalmic use'"`UNIQ--ref-00001287-QINU`"'
Not meaningfully described for topical use (systemic exposure varies with surface area, occlusion, skin integrity)'"`UNIQ--ref-0000079E-QINU`"'
Not meaningfully described for topical use'"`UNIQ--ref-00000A02-QINU`"'
Not meaningfully described — lactulose is not significantly absorbed
Not meaningfully described — sucralfate is essentially non-absorbed'"`UNIQ--ref-00000DC2-QINU`"'
Not meaningfully described — topical local action with minimal systemic absorption'"`UNIQ--ref-00001218-QINU`"'
Not well characterized
Not well characterized; tissue incorporation over weeks'"`UNIQ--ref-00000051-QINU`"'
Not well characterized'"`UNIQ--ref-00000018-QINU`"'
Olanzapine ~30 hours; fluoxetine 1-4 days (norfluoxetine 7-15 days)'"`UNIQ--ref-0000154D-QINU`"'
Oxcarbazepine 2 hours; '''10-monohydroxy active metabolite (MHD) ~9 hours''' (the agent that produces essentially all of the clinical effect)'"`UNIQ--ref-0000001A-QINU`"'
Oxycodone 3-5 hours; acetaminophen 1-3 hours'"`UNIQ--ref-000014E2-QINU`"'
Oxycodone 3-5 hours; aspirin (acetyl group) 15-20 minutes, salicylate 2-3 hours at therapeutic doses'"`UNIQ--ref-000014FA-QINU`"'
Parent lisdexamfetamine <1 hour; dextroamphetamine 10-12 hours after release'"`UNIQ--ref-00000017-QINU`"'
Plasma 2-3 hours; biologic ~18-36 hours'"`UNIQ--ref-00000867-QINU`"'
Plasma 2-3 hours; biologic ~18-36 hours'"`UNIQ--ref-000008C4-QINU`"'
Plasma 3-4 hours; biologic ~12-36 hours'"`UNIQ--ref-000002A3-QINU`"'
Plasma ~1-2 hours; biologic ~8-12 hours'"`UNIQ--ref-00000AD1-QINU`"'
Plasma ~3 hours; bone half-life ~10 years'"`UNIQ--ref-000006C3-QINU`"'
Plasma ~3-4.5 hours; biologic ~36-72 hours'"`UNIQ--ref-00000E2B-QINU`"'
Plasma ~3-5 hours; biologic effect substantially longer (~12-36 hours for intermediate-acting glucocorticoids)'"`UNIQ--ref-00000666-QINU`"'
Plasma ~5 hours; biologic ~36-54 hours'"`UNIQ--ref-0000101A-QINU`"'
Primidone 5-15 hours; '''phenobarbital active metabolite 50-150 hours'''; PEMA (phenylethylmalonamide) active metabolite 16 hours'"`UNIQ--ref-00000017-QINU`"'
Psilocin: ~2-3 h; psilocybin itself is a prodrug, dephosphorylated within minutes of absorption
Risperidone 3-20 hours; '''9-hydroxy-risperidone (paliperidone) ~20-24 hours''' is the major active metabolite and is separately marketed as a parent compound (Invega)'"`UNIQ--ref-00000021-QINU`"'
Sumatriptan ~2.5 hours; naproxen 12-15 hours'"`UNIQ--ref-000015D1-QINU`"'
T4 ~7 days; T3 ~1 day'"`UNIQ--ref-00000036-QINU`"'
Tissue half-life not formally measured; clinical effect ~12 weeks
Topical: not meaningfully described; oral 2-8 hours'"`UNIQ--ref-00000888-QINU`"'
Tramadol 6-7 hours; M1 active metabolite 7-9 hours'"`UNIQ--ref-0000001D-QINU`"'
Tramadol ~5-7 hours (M1 metabolite ~9 hours); acetaminophen 1-3 hours'"`UNIQ--ref-00001530-QINU`"'
Variable; effect dependent on local intestinal action rather than systemic kinetics'"`UNIQ--ref-0000106B-QINU`"'
Venlafaxine 5 hours; desvenlafaxine active metabolite 11 hours'"`UNIQ--ref-00000026-QINU`"'
~0.5 hours plasma; tissue retention longer
~0.5-2 hours (oral)'"`UNIQ--ref-00000BA3-QINU`"'
~1 day (much shorter than T4's ~7 days)'"`UNIQ--ref-0000149D-QINU`"'
~1 hour (IR niacin); ER formulations extend functional duration'"`UNIQ--ref-00001038-QINU`"'
~1 hour (plasma); pharmacodynamic effect persists 24+ hours'"`UNIQ--ref-0000011D-QINU`"'
~1 hour SC'"`UNIQ--ref-00000589-QINU`"'
~1 hour'"`UNIQ--ref-000004F2-QINU`"'
~1 hour'"`UNIQ--ref-00001050-QINU`"'
~1-2 hours plasma (riboflavin itself); FAD/FMN tissue cofactors are continuous
~1.5 hours (plasma); pharmacodynamic effect 24+ hours via target turnover'"`UNIQ--ref-000008E8-QINU`"'
~1.5 hours'"`UNIQ--ref-00000FF9-QINU`"'
~1.5-2 hours'"`UNIQ--ref-00000D3E-QINU`"'
~1.7 hours'"`UNIQ--ref-000009E4-QINU`"'
~1.8 hours (initial); ~10 hours (terminal)'"`UNIQ--ref-00000B25-QINU`"'
~10 h (CYP2D6 extensive metabolizers); up to 31 h (poor metabolizers)
~10-20 days (steady-state body pool); single dose plasma ~2 hours
~10-20 minutes systemically (rapid hepatic and erythrocyte dihydropyrimidine dehydrogenase clearance)'"`UNIQ--ref-000011BE-QINU`"'
~11 h
~11 hours (enalaprilat, the active metabolite)'"`UNIQ--ref-00000B84-QINU`"'
~11 hours'"`UNIQ--ref-00000015-QINU`"'
~11 hours'"`UNIQ--ref-0000001A-QINU`"'
~11 hours'"`UNIQ--ref-00000029-QINU`"'
~11-17 days'"`UNIQ--ref-0000147F-QINU`"'
~12 hours (effective); terminal half-life is biphasic'"`UNIQ--ref-00000059-QINU`"'
~12 hours (effective); terminal much longer'"`UNIQ--ref-0000117C-QINU`"'
~12 hours apparent (functional duration ~24 hours due to depot release kinetics)'"`UNIQ--ref-0000023B-QINU`"'
~12 hours'"`UNIQ--ref-000001FB-QINU`"'
~12 hours'"`UNIQ--ref-00000D82-QINU`"'
~12 hours'"`UNIQ--ref-0000111F-QINU`"'
~12.1 days
~12.4 hours'"`UNIQ--ref-0000027C-QINU`"'
~12.4 hours'"`UNIQ--ref-00000765-QINU`"'
~12.9 hours'"`UNIQ--ref-00000552-QINU`"'
~13 hours'"`UNIQ--ref-0000018A-QINU`"'
~13 hours'"`UNIQ--ref-0000056C-QINU`"'
~13-17 hours (ramiprilat, the active metabolite)'"`UNIQ--ref-00000C32-QINU`"'
~13-20 hours (oral); transdermal pharmacokinetics buffer the peaks/troughs of oral dosing'"`UNIQ--ref-000003BA-QINU`"'
~14 days'"`UNIQ--ref-00001103-QINU`"'
~14 hours (adults); longer in elderly and renal impairment'"`UNIQ--ref-0000113F-QINU`"'
~14 hours'"`UNIQ--ref-00000CCC-QINU`"'
~15 hours (IR)'"`UNIQ--ref-00000023-QINU`"'
~15 hours (parent); nordoxepin active metabolite ~30 hours'"`UNIQ--ref-00000020-QINU`"'
~16-18 hours'"`UNIQ--ref-00001092-QINU`"'
~16-23 hours
~165 hours (~1 week), among the longest of any GLP-1 RA'"`UNIQ--ref-00000253-QINU`"'
~17 minutes (free acid, the active form, in aqueous humor)'"`UNIQ--ref-00000417-QINU`"'
~17-18 hours (Intuniv ER); ~17 hours (immediate-release)'"`UNIQ--ref-00000020-QINU`"'
~17-19 hours (longer than daridorexant)
~17.5 h
~18 hours (terminal)
~19 hours'"`UNIQ--ref-000000FC-QINU`"'
~2 hours (parent and active β-hydroxy acid metabolite); pharmacodynamic effect lasts 24 hours via target turnover'"`UNIQ--ref-0000017A-QINU`"'
~2 hours (plasma; minimal relevance — local-action drug)'"`UNIQ--ref-00000F7B-QINU`"'
~2 minutes'"`UNIQ--ref-00000E52-QINU`"'
~2-3 hours (parent); pharmacodynamic effect 24 hours via target turnover'"`UNIQ--ref-000003D5-QINU`"'
~2-3.6 hours (plasma)'"`UNIQ--ref-000009A5-QINU`"'
~2-4 hours (parent and active β-hydroxy acid metabolite); pharmacodynamic effect 24 hours via target turnover'"`UNIQ--ref-00000807-QINU`"'
~2.4 hours (Byetta, short, hence the BID schedule)'"`UNIQ--ref-000000ED-QINU`"' · Effective release half-life ~2 weeks (Bydureon)'"`UNIQ--ref-000000EE-QINU`"'
~2.5 hours'"`UNIQ--ref-0000001A-QINU`"'
~2.5-3 hours'"`UNIQ--ref-00001442-QINU`"'
~20 hours
~20 hours (fenofibric acid, the active metabolite)'"`UNIQ--ref-000004AD-QINU`"'
~20-60 minutes (plasma; not the relevant kinetic since urinary concentration matters)'"`UNIQ--ref-000008A3-QINU`"'
~21 hours (with nonlinear pharmacokinetics from CYP2D6 autoinhibition)'"`UNIQ--ref-0000002B-QINU`"'
~21 hours'"`UNIQ--ref-00000028-QINU`"'
~22 hours (parent + active glucuronide)'"`UNIQ--ref-00000450-QINU`"'
~22 hours; longer 54 hours (desmethylazelastine, active metabolite)'"`UNIQ--ref-000013B6-QINU`"'
~22 hours'"`UNIQ--ref-00000AB0-QINU`"'
~24 hours (6-methoxy-2-naphthylacetic acid, the active metabolite)'"`UNIQ--ref-000011F9-QINU`"'
~24 hours (longest of the ARB class; suits patients with morning BP surge)'"`UNIQ--ref-00000AEE-QINU`"'
~24 hours (parent); ~15 days (25(OH)D); 25(OH)D stores persist for months'"`UNIQ--ref-00000330-QINU`"'
~24 hours (parent); ~15 days (25(OH)D); tissue stores months
~25 days
~25 hours
~25 hours apparent (functional duration well over 42 hours from multi-hexamer depot)'"`UNIQ--ref-0000135A-QINU`"'
~25 hours'"`UNIQ--ref-0000129F-QINU`"'
~25-33 hours alone; ~15 hours with enzyme inducers; '''≥60 hours with valproate''' (UGT inhibition)'"`UNIQ--ref-00000025-QINU`"'
~25-44 hours plasma; receptor kinetics drive the once-daily duration'"`UNIQ--ref-000009C0-QINU`"'
~26 h (sertraline; range 13-45 h, longer in females); ~62-104 h (N-desmethylsertraline, weakly active)
~27-31 hours; markedly prolonged in renal/hepatic impairment and with CYP3A4 or P-gp inhibitors'"`UNIQ--ref-00000C72-QINU`"'
~28 days
~3 hours (acyclovir, the active metabolite); longer in renal impairment'"`UNIQ--ref-000005D6-QINU`"'
~3 hours (systemic, when measurable; topical action dominates)'"`UNIQ--ref-000011D9-QINU`"'
~3 hours; significantly prolonged in renal impairment'"`UNIQ--ref-0000090F-QINU`"'
~3 hours'"`UNIQ--ref-000010D1-QINU`"'
~3-4 days plasma; adipose tissue stores last months
~3-7 hours (parent); 16-24 hours including active metabolites'"`UNIQ--ref-00000824-QINU`"'
~30 hours (long, supports once-daily dosing and substantial drug-interaction window after discontinuation)'"`UNIQ--ref-00000A47-QINU`"'
~30-60 minutes'"`UNIQ--ref-00000E76-QINU`"'
~31 days
~35 hours'"`UNIQ--ref-00000026-QINU`"'
~36 hours (terminal much longer due to tissue accumulation in skin/nails)'"`UNIQ--ref-00000EB2-QINU`"'
~4 h
~4 hours (oral)'"`UNIQ--ref-0000001B-QINU`"'
~4 months in erythrocytes (carbonic anhydrase binding in red cells; not relevant to topical IOP duration)'"`UNIQ--ref-00000B0A-QINU`"'
~4-6 hours (plasma); intrathyroidal accumulation gives a much longer functional duration'"`UNIQ--ref-00000ED3-QINU`"'
~40 days (terminal; reflects extensive tissue distribution)'"`UNIQ--ref-000007EC-QINU`"'
~45 minutes (free acid in aqueous humor)'"`UNIQ--ref-00000DA1-QINU`"'
~45-68 hours'"`UNIQ--ref-00000DFE-QINU`"'
~5 days (~120 h)'"`UNIQ--ref-00000059-QINU`"'
~5 days (~120 h)'"`UNIQ--ref-00000303-QINU`"'
~5 h
~5 hours (plasma)'"`UNIQ--ref-00000F9C-QINU`"'
~5 hours in extensive CYP2D6 metabolizers; ~21 hours in CYP2D6 poor metabolizers'"`UNIQ--ref-00000014-QINU`"'
~5 weeks (much longer than finasteride's ~6 hours)'"`UNIQ--ref-00000D59-QINU`"'
~5-10 hours (5-ASA)'"`UNIQ--ref-00000BBE-QINU`"'
~5-20 hours (oral micronized; highly variable)'"`UNIQ--ref-00000726-QINU`"'
~5-6 hours in young men, ~8 hours in elderly'"`UNIQ--ref-00000531-QINU`"'
~5-7 days
~5-8 hours'"`UNIQ--ref-00001164-QINU`"'
~5-9 hours (parent and active metabolites combined)'"`UNIQ--ref-00000492-QINU`"'
~50 days (Depo-Provera; long depot release)'"`UNIQ--ref-00000F20-QINU`"'
~50 hours'"`UNIQ--ref-00000B64-QINU`"'
~50 hours'"`UNIQ--ref-00000C4E-QINU`"'
~57 hours (parent), ~200 h (active metabolite)
~58 days (parent); ~61 days (desethylamiodarone, active metabolite)'"`UNIQ--ref-00000CB3-QINU`"'
~6 days (plasma); hepatic stores last 3-5 years
~6 h (parent compound, immediate-release); ~9-12 h (active metabolite N-desalkylquetiapine, also called norquetiapine)
~6 hours (parent); active metabolite very short-lived but produces irreversible platelet effect'"`UNIQ--ref-000002C4-QINU`"'
~6 hours plasma; long bone retention
~6 hours'"`UNIQ--ref-00000015-QINU`"'
~6 hours'"`UNIQ--ref-00000018-QINU`"'
~6 hours'"`UNIQ--ref-000004CD-QINU`"'
~6-10 hours (oseltamivir carboxylate, the active metabolite)'"`UNIQ--ref-00000E94-QINU`"'
~6-8 hours'"`UNIQ--ref-0000001A-QINU`"'
~6-8 hours'"`UNIQ--ref-00000CF5-QINU`"'
~6.6 h
~60–80 h (memantine); ~70 h (donepezil)
~66 hours
~68 hours (terminal; reflects deep tissue accumulation, much longer than plasma)'"`UNIQ--ref-000003FC-QINU`"'
~7 days (euthyroid); longer in hypothyroidism (~9-10 days), shorter in hyperthyroidism'"`UNIQ--ref-00000036-QINU`"'
~7 hours
~7 hours (parent); ~9 hours (active AR-C124910XX metabolite, accounts for ~30-40% of activity)'"`UNIQ--ref-00000C92-QINU`"'
~7 hours apparent'"`UNIQ--ref-00001374-QINU`"'
~7 hours'"`UNIQ--ref-0000126E-QINU`"'
~7-10 hours (variable; longer in renal impairment)'"`UNIQ--ref-00000FB4-QINU`"'
~7-12 hours
~7.1 hours
~7.8 hours (fluticasone propionate, inhaled systemic exposure)'"`UNIQ--ref-000001DD-QINU`"'
~70 hours (long, supports once-daily dosing without peak-trough variation)'"`UNIQ--ref-0000001B-QINU`"'
~75 hours (long, accumulates over weeks)'"`UNIQ--ref-00000023-QINU`"'
~8 hours (longer in elderly and renal impairment)'"`UNIQ--ref-00000954-QINU`"'
~8 hours (parent); ~28 hours (desloratadine, the active metabolite, marketed separately as Clarinex)'"`UNIQ--ref-00000621-QINU`"'
~8 hours (shorter than suvorexant and lemborexant)
~8 hours'"`UNIQ--ref-000013F5-QINU`"'
~8-27 hours (highly variable across the population)'"`UNIQ--ref-00000A91-QINU`"'
~80 minutes SC'"`UNIQ--ref-000005F2-QINU`"'
~89 hours (EPA, the active metabolite)'"`UNIQ--ref-000013D1-QINU`"'
~9 hours (terminal)
~9 hours'"`UNIQ--ref-000014C3-QINU`"'
~9-14 hours'"`UNIQ--ref-00000FD2-QINU`"'
~91 hours
Search
bioavailability:
65-75% (oral)'"`UNIQ--ref-0000013F-QINU`"' (1)
pregnancy:
(Click arrow to add another value)
None
·
Category C
·
Limited data; avoid
·
Limited data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Limited human data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Limited data
·
Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning (fetal renal dysfunction, oligohydramnios); contraindicated from 30 weeks (risk of premature ductus arteriosus closure)'"`UNIQ--ref-0000002B-QINU`"'
·
Category B
·
Chronic third-trimester exposure produces neonatal opioid withdrawal syndrome and respiratory depression at delivery.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Generally considered safe (minimal systemic absorption).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Limited data; switch to insulin where feasible.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Limited data; weigh against alternatives.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Previously Category X; FDA removed the blanket statin contraindication in pregnancy in 2021.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
'''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity; class-wide concern).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Avoid in second and third trimesters; fetal SGLT2 inhibition disrupts kidney development.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Avoid where possible; class concerns as for other loop diuretics.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Generally considered safe due to minimal systemic absorption.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Generally considered safe in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Generally considered safe.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
·
Generally considered safe; minimal systemic exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Other values:
'''Among the least preferred SSRIs in pregnancy.''' Observational signal for cardiac malformations (atrial and ventricular septal defects) with first-trimester exposure, and the most severe neonatal adaptation syndrome of any SSRI with third-trimester exposure'"`UNIQ--ref-0000002D-QINU`"'
'''Among the safest antihypertensives in pregnancy''', recommended for chronic hypertension during pregnancy and first-line for severe hypertension in preeclampsia and eclampsia'"`UNIQ--ref-0000001C-QINU`"'
'''Among the safest mood stabilizers in pregnancy''' with reassuring monotherapy registry data, in sharp contrast to valproate. Estrogen-containing contraceptives accelerate lamotrigine metabolism, requiring dose adjustments at start and stop of contraception'"`UNIQ--ref-00000027-QINU`"'
'''Avoid at term (38-42 weeks) and during labor''' (risk of neonatal hemolytic anemia, especially with G6PD deficiency); generally safe in earlier pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
'''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
'''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity; class-wide concern); use only when benefit clearly outweighs.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
'''Considered one of the safest anticonvulsants in pregnancy''', with reassuring monotherapy registry data comparable to lamotrigine and in sharp contrast to valproate, topiramate, and carbamazepine'"`UNIQ--ref-00000021-QINU`"'
'''Contraindicated for migraine prophylaxis in pregnancy; high teratogenic risk''' (neural tube defects, craniofacial anomalies, cardiac defects, cognitive/IQ impairment); avoid in women of childbearing potential without reliable contraception when alternatives exist'"`UNIQ--ref-0000097E-QINU`"'
'''Contraindicated in pregnancy''' (Category X); abortifacient and teratogenic. Discontinuation 3-6 months before conception is standard.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-000000BE-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-000004CF-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-0000056E-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-00000844-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-00000AF0-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, skull hypoplasia, hypotension. Stop on detection'"`UNIQ--ref-0000005B-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, skull hypoplasia, hypotension. Stop on detection'"`UNIQ--ref-00000A24-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, skull hypoplasia, hypotension. Stop on detection'"`UNIQ--ref-00000B86-QINU`"'
'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, skull hypoplasia, hypotension'"`UNIQ--ref-00000C34-QINU`"'
'''Documented fetal growth restriction with chronic exposure'''; avoid in pregnancy if alternative β-blockers are appropriate. The β-blocker most consistently associated with intrauterine growth concerns'"`UNIQ--ref-00000022-QINU`"'
'''Pregnant individuals should not handle crushed/broken tablets''' (skin absorption risk); can cause hypospadias in male fetus. Not used in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
'''Pregnant individuals should not handle dutasteride capsules''' (skin absorption risk through intact capsule); can cause hypospadias in male fetus.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
'''Substantial teratogenic risk''' including cleft lip/palate, hypospadias, and growth restriction (pregnancy registry data clear); effective contraception and pre-pregnancy counseling are required in reproductive-age patients'"`UNIQ--ref-0000002A-QINU`"'
'''Substantial teratogenic risk''' including neural tube defects, craniofacial malformations, cardiac defects, and growth restriction; folic acid supplementation and effective contraception are required in reproductive-age patients'"`UNIQ--ref-0000001F-QINU`"'
Aminoglycoside-class ototoxicity in fetal cochlea is documented; use only when alternatives have failed.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid after 20 weeks (NSAID-class FDA 2020 advisory on fetal renal injury and oligohydramnios with second/third-trimester use).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid after 20 weeks (NSAID-class FDA 2020 advisory).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning (fetal renal dysfunction, oligohydramnios); contraindicated from 30 weeks (risk of premature ductus arteriosus closure)'"`UNIQ--ref-00000022-QINU`"'
Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning (fetal renal dysfunction, oligohydramnios); contraindicated from 30 weeks (risk of premature ductus arteriosus closure)'"`UNIQ--ref-00000028-QINU`"'
Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning; contraindicated from 30 weeks (risk of premature ductus arteriosus closure, which is paradoxically the basis of the neonatal PDA-closure indication)'"`UNIQ--ref-00000028-QINU`"'
Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning; contraindicated from 30 weeks. Specifically contraindicated in labor and delivery due to inhibition of uterine contractions'"`UNIQ--ref-00000022-QINU`"'
Avoid in pregnancy; antiandrogen effects can feminize a male fetus.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid in pregnancy; switch to LMWH. Crosses placenta; warfarin-class concerns about fetal hemorrhage and teratogenicity make heparins the preferred class.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid where possible; can reduce uteroplacental perfusion and produce neonatal electrolyte disturbance. Reserved for compelling indications.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid. Benzodiazepines are associated with neonatal sedation, floppy-infant syndrome, and withdrawal; teratogenic signal weak but non-zero. Designer benzo with no safety data, assume worst-case.
Avoid. Discontinue at least 1 month before planned pregnancy. Animal data show embryofetal harm.'"`UNIQ--ref-0000005B-QINU`"'
Avoid. Discontinue before planned pregnancy.'"`UNIQ--ref-000000EF-QINU`"'
Avoid. Discontinue before planned pregnancy.'"`UNIQ--ref-0000018C-QINU`"'
Avoid. Discontinue ≥1 month pre-conception. May reduce oral contraceptive efficacy during titration.'"`UNIQ--ref-00000304-QINU`"'
Avoid; NSAID-class restriction after 20 weeks (FDA 2020) and limited triptan pregnancy data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid; aspirin teratogenicity concerns plus opioid neonatal withdrawal.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid; may cause fetal harm
Avoid; neonatal opioid withdrawal documented.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid; risk of neonatal opioid withdrawal with chronic use; UM-mother breastfeeding contraindicated.
Avoid; switch to insulin. Hypoglycemia in newborn reported.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoid; switch to insulin. Neonatal hypoglycemia reported.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoided where possible; same class concerns as HCTZ.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Avoided; barbiturate + aspirin teratogenicity and bleeding concerns.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Category C (buprenorphine-only formulations preferred in pregnancy)
Category C (not relevant; not used in women)
Category C (per Desoxyn label)
Category C; limited data
Category C'"`UNIQ--ref-00000045-QINU`"'
Category C'"`UNIQ--ref-0000008F-QINU`"'
Category D'"`UNIQ--ref-0000006C-QINU`"'
Category X, contraindicated; teratogenic (virilization of female fetus)
Contraindicated in known pregnancy (Aygestin); the 0.35 mg POP is not teratogenic and does not need to be discontinued before conception planning.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Contraindicated in known pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Contraindicated in pregnancy (FDA label).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Contraindicated in pregnancy (only used in postmenopausal women); D class historically.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Contraindicated in pregnancy (use is not appropriate during gestation; class label X). Lactation considerations vary by indication.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Contraindicated in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Discontinued/withdrawn
Extensive use experience in obstetric anesthesia; broadly considered safe'"`UNIQ--ref-00000022-QINU`"'
First-line in pregnancy; dose typically increased 25-30% due to estrogen-driven rise in TBG and fetal demand. Lactation safe at physiologic doses.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally avoided in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally avoided; barbiturate exposure in late pregnancy can produce neonatal withdrawal and respiratory depression.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally avoided; fetal goiter/hypothyroidism risk (iodine load). Used only for life-threatening arrhythmia.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally avoided; not first-line.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered acceptable for short-term use.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered acceptable when needed.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered acceptable.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe (minimal systemic exposure).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe after the first trimester; first-trimester use weighed against indication.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe at standard doses; benefits typically outweigh in active IBD.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe in pregnancy (no systemic absorption).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; commonly used in pregnancy when macrolide indicated.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; commonly used in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; loratadine and cetirizine have more pregnancy data and are typically preferred.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; pregnancy registries do not show increased major malformation risk.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used in PCOS and gestational diabetes; placental transfer occurs.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used in obstetric reflux.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used. Cetirizine and loratadine remain the more-studied alternatives.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used. Cleared in lactation at low levels.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used. Levocetirizine (the R-enantiomer) is an alternative with similar safety.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used. Loratadine and cetirizine are the most-recommended 2nd-gen H1s in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally considered safe; widely used.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally safe at replacement doses; treat the underlying cause of hypokalemia.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Generally used when influenza treatment is indicated; pregnancy is a recognized risk factor for severe influenza.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
IV sulfate is the cornerstone of eclampsia/preeclampsia management; oral replacement also safe.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Inhaled and intranasal generally considered safe; widely used in asthma in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Insulin is the preferred glucose-lowering therapy in pregnancy; aspart is widely used.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Insulin is the preferred glucose-lowering therapy in pregnancy; degludec has reassuring observational data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Insulin is the preferred glucose-lowering therapy in pregnancy; glargine has reassuring observational data, though NPH and detemir remain the traditional choices.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Insulin is the preferred glucose-lowering therapy in pregnancy; lispro is widely used.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Intranasal long considered acceptable; widely used in obstetric rhinitis.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Investigational
Limit to <200 mg/d (~2 cups brewed)
Limited data; LABA/LAMA strategies in pregnancy generally favor agents with the most reassuring data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; National Pregnancy Registry available
Limited data; National Pregnancy Registry for Atypical Antipsychotics
Limited data; alternative antihypertensives generally preferred. Crosses placenta.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; avoid in pregnancy. Lactation: present in milk; consider risks
Limited data; case series and registries suggest no major teratogenicity but other antihypertensives (labetalol, nifedipine) are typically preferred.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; fluoxetine has reassuring data but olanzapine carries metabolic-syndrome and gestational diabetes signals.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; generally avoided in pregnancy for the cosmetic indication of onychomycosis.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; generally avoided particularly in combination with statin.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; generally avoided unless triglyceride pancreatitis risk is high.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; generally considered acceptable when needed.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; labetalol/nifedipine generally preferred. Crosses placenta.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; minimal systemic absorption likely renders fetal risk low.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; not first-line in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; pitolisant may reduce hormonal contraceptive efficacy
Limited data; pregnancy exposure registry available
Limited data; quinidine has been used in pregnancy as antiarrhythmic.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; rarely indicated in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; risk-benefit case by case; pregnancy is not a strict contraindication in WHO mass drug administration programs.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; second-line to intranasal corticosteroids or PO loratadine/cetirizine.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; weigh against alternatives (aspirin) where feasible.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; weigh against alternatives, though systemic exposure is low.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited data; weigh benefits/risks
Limited human data. Animal studies show fetal effects at maternally toxic doses; use only if benefits justify the potential risk.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; animal reproductive studies not conducted<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; case reports of neonatal sedation with late-pregnancy exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; endogenous hormone, but supplemental pharmacological doses are not well characterized in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; observational signals inconclusive.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; older agent with substantial use experience and no clear teratogenic signal.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; older agent with substantial use experience.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; older agent with substantial use experience; some signal for first-trimester exposure but not conclusive.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; pregnancy registry data have been broadly reassuring across the triptan class.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; pregnancy registry data have been broadly reassuring relative to baseline malformation rates.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; rarely indicated in pregnancy given the patient population.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; rarely indicated in pregnancy given the typical patient population.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; signal for neonatal extrapyramidal symptoms and withdrawal with third-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; some animal cardiac signal not clearly replicated in human cohort studies; observational signals inconclusive.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; some observational signals reassuring relative to other antidepressants.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; some signal for cardiac malformations and developmental delay but confounded by maternal disease and polytherapy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; some signal for cleft palate with first-trimester exposure (debated); neonatal sedation and withdrawal with third-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; the amphetamine class is associated with intrauterine growth restriction and neonatal withdrawal symptoms.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data; β-blocker class effects include fetal growth restriction and neonatal bradycardia/hypoglycemia.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited human data<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited safety data; weigh benefit individually.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Limited use in pregnancy; chronic third-trimester opioid exposure produces neonatal opioid withdrawal syndrome and respiratory depression at delivery.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Long the preferred ICS in pregnancy (Pulmicort) due to the most pregnancy data among the class.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Long the preferred analgesic-antipyretic in pregnancy; recent observational studies have raised speculative neurodevelopmental signals that remain under investigation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Long-considered safe in pregnancy for lupus and other rheumatologic indications; benefits typically outweigh.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Long-term skeletal retention is a concern given the unknown effect on developing fetal bone; generally avoided.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Low-dose (81 mg) safe and indicated for preeclampsia prophylaxis after 12 weeks in high-risk patients per USPSTF; high-dose aspirin avoid third trimester due to premature ductus arteriosus closure and bleeding risk
Medicine is structurally identical to endogenous allopregnanolone; pregnancy considerations relate to breastfeeding during/after infusion. Limited data; brief interruption of breastfeeding considered
Not absorbed; generally considered acceptable when bowel prep is required<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Not applicable (male indication); historical Category B if used in unrelated female cases.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Not established
Not indicated; pregnancy effects unknown
Not relevant (geriatric problem)
Not studied in human pregnancy; no approved clinical use in any population
Observational signal for neonatal adaptation syndrome with late-pregnancy exposure (SNRI class effect).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Observational signal for neonatal adaptation syndrome with late-pregnancy exposure; weigh against the risks of untreated maternal depression.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Observational signal for neonatal adaptation syndrome with third-trimester exposure (SSRI class effect).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Observational signal for persistent pulmonary hypertension of the newborn (small absolute risk) and neonatal adaptation syndrome with third-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Older agent with substantial use experience but limited controlled data; case reports of neonatal sedation and transient hypertension with maternal use near term.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Older agent with substantial use experience, including in hyperemesis gravidarum; broadly reassuring observational data'"`UNIQ--ref-00000024-QINU`"'
Older agent with substantial use experience; broadly considered safe in pregnancy'"`UNIQ--ref-00000028-QINU`"'
Older agent with substantial use experience; observational signals not clearly causal.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Older agent with substantial use experience; observational signals reassuring for first-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
One of the better-studied basal insulin analogs in pregnancy; reassuring data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
One of the historically preferred IV agents for severe hypertension in pregnancy alongside labetalol and nifedipine.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Oral nifedipine is one of the preferred agents for severe hypertension in pregnancy and for tocolysis in preterm labor.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Penicillin G is the only fully effective syphilis treatment in pregnancy; penicillin-allergic pregnant patients require desensitization.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Pharmacologic doses generally avoided in pregnancy; vitamin doses fine.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Preferred SABA in pregnancy; benefits of asthma control outweigh limited risks.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Pregnancy categories were retired by FDA in 2015. Limited reproductive data with small observational signal for cardiac malformations; risk-benefit decision, with many patients deferring ADHD treatment during pregnancy. See pregnancy_details for the full discussion.
Pregnancy categories were retired by FDA in 2015. Quetiapine has reassuring active-comparator cohort data without consistent teratogenic signal; among the preferred neuroleptics when treatment is clinically necessary in pregnancy. See pregnancy_details for the full citation set.
Previously Category X; FDA removed the blanket statin contraindication in pregnancy in 2021. Use individualized.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Previously Category X; FDA removed the blanket statin contraindication in pregnancy in 2021. Use individualized; lactation generally avoided.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Routine antacid and acidosis correction acceptable
Routinely supplemented in pregnancy and preconception to prevent neural tube defects.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Routinely supplemented in pregnancy; needs higher in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Routinely supplemented in vegan pregnancies and pernicious anemia.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Routinely used; iron requirements rise substantially in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Safe at replacement and supplement doses.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Safe at replacement doses; deficiency is itself a risk in pregnancy and lactation.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Safe at replacement doses; high-dose use generally avoided.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Safe at routine doses; routinely supplemented in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Safe at routine fluoride levels.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Signal for gestational diabetes and metabolic syndrome with maternal exposure; the metabolic load can be substantial during pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Signal for neonatal extrapyramidal symptoms and withdrawal with third-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Some controversial signal for first-trimester gastroschisis association in observational studies; limited use is generally considered acceptable after the first trimester.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Some signal for cleft lip/palate with first-trimester exposure (debated); neonatal sedation and withdrawal with third-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Some signal for cleft palate with first-trimester exposure (debated); neonatal sedation and withdrawal with third-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Some signal for major congenital malformations; limited human data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Standard fluid and electrolyte management
Standard resuscitation fluid in pregnancy
Substantial teratogenic signal (barbiturate class effects including neonatal withdrawal and hemorrhagic disease of newborn).<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Synthetic levothyroxine is the standard-of-care in pregnancy; desiccated thyroid use in pregnancy is not well studied<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
T4 (levothyroxine) is the first-line in pregnancy; T3 is rarely needed.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
TCA class signal; limited human data specific to doxepin.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
TCA class signal; limited human data specific to nortriptyline.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Teratogenic signal less than carbamazepine but present; folate supplementation and effective contraception are appropriate in reproductive-age patients'"`UNIQ--ref-0000001C-QINU`"'
Topical and vaginal generally considered safe; widely used.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Topical corticosteroids in pregnancy: use lowest potency and smallest area; super-potent agents like clobetasol are reserved for compelling indications.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Topical generally safe; oral avoided.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Topical/intranasal generally low-risk; intra-articular and high-dose injection: weigh risk individually.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Topical: avoid; systemic: contraindicated in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Use in fetal SVT (transplacental antiarrhythmic therapy) is established; otherwise weigh against alternatives.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Use when benefits outweigh; small association with oral clefts debated.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Use when benefits outweigh; small association with oral clefts in first trimester debated.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Use when benefits outweigh; widely used at physiologic doses for adrenal insufficiency.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Used in FMF in pregnancy; otherwise weigh against alternatives.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Used in antenatal lung maturation (24-34 weeks gestation; 6 mg IM q12h × 4 doses); broader use weighs benefits against fetal HPA suppression.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Used in life-threatening obstetric anaphylaxis without hesitation; benefits clearly outweigh.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Used in obstetric emergencies (uterine relaxation, severe hypertension) when needed; otherwise limited routine use.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Used in transplant pregnancy when continued immunosuppression is required; reassuring data overall but careful monitoring needed.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Used when benefits outweigh risk; oral cleft signal in first-trimester exposure is debated and small in absolute terms.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Used when needed for hypoparathyroidism or renal osteodystrophy in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Widely used for hyperemesis gravidarum; reassuring data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Widely used in obstetric reflux; reassuring data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Widely used in pregnancy for HSV/VZV indications; reassuring registry data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Widely used in pregnancy when antiviral indicated; reassuring registry data.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Widely used in pregnancy; meta-analyses do not show increased malformation risk.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
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