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Medicines > fda max

: 100 mg/d

or 40 mg/d

or No fixed maximum; titrated to TSH target

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None (1) · Enalapril (and enalaprilat IV) (1) · Flibanserin (1) · Fluoxetine (1) · Levothyroxine (1) · Losartan (1) · Metoclopramide (1) · Nebivolol (1) · Olmesartan (medoxomil) (1) · Prazosin (1) · Sitagliptin (1) · Thyroid (desiccated) (1)

Addyi (1) · Armour Thyroid, NP Thyroid, Nature-Throid, WP Thyroid (1) · Benicar (1) · Bystolic (1) · Cozaar (1) · Januvia; with metformin Janumet/Janumet XR (1) · Minipress (1) · Prozac (1) · Reglan, Gimoti (intranasal), Metozolv ODT (1) · Synthroid, Levoxyl, Tirosint, Unithroid, Euthyrox (1) · Vasotec, Vasotec IV, Epaned (1) · Viibryd (1)

None (4) · 5-HT1A agonist, 5-HT2A antagonist, with weaker activity at D4 and other receptors. Net effect involves enhanced prefrontal dopaminergic/noradrenergic tone with decreased serotonergic inhibition of sexual desire. (1) · Selective alpha-1 adrenergic receptor antagonist. Lowers peripheral vascular resistance via vasodilation; in the CNS, blunts noradrenergic hyperarousal thought to drive trauma-related nightmares. (1) · Synthetic T4 (thyroxine); peripherally deiodinated to T3 (triiodothyronine), the active hormone. '"`UNIQ--vote-00000031-QINU`"' Narrow therapeutic index; brand-to-generic switches can shift TSH and require re-titration'"`UNIQ--ref-00000032-QINU`"'. (1) · The d-enantiomer is a highly β1-selective antagonist; the l-enantiomer triggers endothelial nitric-oxide–mediated vasodilation. Unique among beta blockers for this NO mechanism. (1) · TrkB/BDNF'"`UNIQ--ref-00000040-QINU`"' '"`UNIQ--vote-00000041-QINU`"' (1) · '"`UNIQ--vote-00000032-QINU`"' Brand-to-brand and lot-to-lot variability in T3:T4 ratio is greater than with synthetic levothyroxine, which is why endocrine guidelines prefer the synthetic'"`UNIQ--ref-00000033-QINU`"'. (1) · '"`UNIQ--vote-000000B6-QINU`"' Active metabolite EXP3174 is ~10-40-fold more potent than the parent and accounts for most of the antihypertensive effect; CYP2C9 polymorphism affects conversion'"`UNIQ--ref-000000B7-QINU`"'. (1) · '"`UNIQ--vote-00000762-QINU`"' Largely renally cleared, hence the eGFR-tiered dosing. Rare but well-documented signals: acute pancreatitis (uncertain causal contribution), severe joint pain, and bullous pemphigoid (class effect, especially in older Asian patients)'"`UNIQ--ref-00000763-QINU`"'. (1)

1 mg at bedtime (PTSD nightmares); 1 mg BID–TID (HTN) (1) · 1.6 mcg/kg/d in young healthy adults; 25-50 mcg/d in elderly or cardiac disease, titrated by TSH at 6-8 weeks (1) · 10 mg (1) · 10 mg PO once daily × 7 days, then 20 mg × 7 days, then 40 mg as target dose (take with food) (1) · 10 mg PO/IV/IM QID, '''not to exceed 12 weeks''' (tardive dyskinesia risk); intranasal Gimoti 15 mg BID (1) · 100 mg at bedtime daily (1) · 100 mg PO once daily (50 mg if CrCl 30-44; 25 mg if <30 or dialysis) (1) · 20 mg PO once daily; titrate to 40 mg/d after 2 weeks if needed (1) · 30 mg PO daily (1/2 grain); titrate by TSH at 6-8 weeks; 60 mg desiccated thyroid is approximately equivalent to 88-100 mcg levothyroxine (1) · 5 mg daily (1) · 5-10 mg PO once daily (2.5 mg if on diuretic or in heart failure); titrate to 10-20 mg BID for HFrEF (1) · 50 mg PO daily (25 mg in volume depletion or hepatic impairment) (1)

1, 2, 5 mg caps (1) · 10 mg, 20 mg, 40 mg caps (1) · 10 mg, 20 mg, 40 mg tablets (1) · 100 mg tabs (1) · 15, 30, 60, 90, 120, 180, 240, 300 mg tablets (1/4 to 5 grains; 1 grain = 60 mg) (1) · 2.5, 5, 10, 20 mg tablets; 1 mg/mL oral solution (Epaned); 1.25 mg/mL IV (enalaprilat) (1) · 2.5, 5, 10, 20 mg tabs (1) · 25 mg, 50 mg, 100 mg tablets (1) · 25, 50, 100 mg tablets; combination tablets with metformin (1) · 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 mcg tablets; oral capsule and IV/IM also available (1) · 5, 10 mg tablets; 5 mg/5 mL solution; 5 mg/mL IV; 15 mg/spray intranasal (1) · 5, 20, 40 mg tablets (1)

IM (1) · intranasal (1) · IV (3) · Oral (12)

None (1) · 1–2 h (1) · 30–90 min (1) · 4-6 weeks for full antidepressant effect (claimed earlier onset for some patients due to 5HT1A partial agonism) (1) · BP effect 1 hour; max at 4-6 hours (1) · BP effect 1-2 weeks; antihypertensive peak 3-6 weeks (1) · BP effect 1-2 weeks; max at 2-3 weeks (1) · Effects accumulate over weeks; assess at 8 weeks (1) · IV/IM 1-3 minutes; PO 30-60 minutes (1) · Postprandial glucose effect within days; HbA1c by 12 weeks (1) · TSH normalization 4-8 weeks (1) · TSH normalization 4-8 weeks; symptomatic improvement weeks to months (1)

12-24 hours (1) · 24 h (1) · 24 hours (3) · 4-6 hours (1) · 6–8 h (1) · Continuous daily dosing (1) · Daily dosing (1) · Steady-state at 4-6 weeks (2) · Very long (1)

1–4 days (7–15 days for norfluoxetine) (1) · 2 hours (parent); 6-9 hours for active carboxylic acid metabolite EXP3174'"`UNIQ--ref-000000BC-QINU`"' (1) · 2–3 h (1) · 5-6 hours'"`UNIQ--ref-00000EF9-QINU`"' (1) · T4 ~7 days; T3 ~1 day'"`UNIQ--ref-00000036-QINU`"' (1) · ~10 h (CYP2D6 extensive metabolizers); up to 31 h (poor metabolizers) (1) · ~11 h (1) · ~11 hours (enalaprilat, the active metabolite)'"`UNIQ--ref-00000B84-QINU`"' (1) · ~12.4 hours'"`UNIQ--ref-00000765-QINU`"' (1) · ~13 hours'"`UNIQ--ref-0000056C-QINU`"' (1) · ~25 hours (1) · ~7 days (euthyroid); longer in hypothyroidism (~9-10 days), shorter in hyperthyroidism'"`UNIQ--ref-00000036-QINU`"' (1)

40-80% (oral); reduced by food, calcium, iron, PPIs, fiber; take fasting with water'"`UNIQ--ref-00000037-QINU`"' (1) · 70–90% (oral) (1) · Variable; reduced by food, calcium, iron, PPIs'"`UNIQ--ref-00000037-QINU`"' (1) · ~12% (extensive metabolizers); ~96% (poor metabolizers) (1) · ~26% (oral; prodrug hydrolyzed by intestinal esterases to active olmesartan; not affected by food)'"`UNIQ--ref-0000056D-QINU`"' (1) · ~33% (1) · ~33% (extensive first-pass via CYP2C9 and CYP3A4)'"`UNIQ--ref-000000BD-QINU`"' (1) · ~60% (1) · ~60% (oral; food does not affect absorption)'"`UNIQ--ref-00000B85-QINU`"' (1) · ~72% (with food); much lower fasting (~36%) (1) · ~80% (oral; reduced by significant first-pass)'"`UNIQ--ref-00000EFA-QINU`"' (1) · ~87% (oral)'"`UNIQ--ref-00000766-QINU`"' (1)

'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-000000BE-QINU`"' (1) · '''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-0000056E-QINU`"' (1) · '''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, skull hypoplasia, hypotension. Stop on detection'"`UNIQ--ref-00000B86-QINU`"' (1) · Category C (2) · Category C'"`UNIQ--ref-00000045-QINU`"' (1) · First-line in pregnancy; dose typically increased 25-30% due to estrogen-driven rise in TBG and fetal demand. Lactation safe at physiologic doses.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Limited data; switch to insulin where feasible.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Limited data; weigh benefits/risks (1) · Not indicated; pregnancy effects unknown (1) · Synthetic levothyroxine is the standard-of-care in pregnancy; desiccated thyroid use in pregnancy is not well studied[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Widely used for hyperemesis gravidarum; reassuring data.[[[Pharmacopedia:Citation needed|citation needed]]] (1)

Rx (1) · Rx-only in US (2) · Rx-only in US (REMS program) (1) · [[USLegal:Prescription only|Rx-only]] in US (7) · [[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' for '''tardive dyskinesia''' (irreversible movement disorder), driving the 12-week chronic-use limit'"`UNIQ--ref-00000EFB-QINU`"' (1)

Showing below up to 12 results in range #1 to #12.

D

Desiccated thyroid

E

Enalapril

F

L