Drilldown: Medicines

Ascorbic acid (vitamin C) (1) · Bisacodyl (1) · Ciclopirox (1) · Clotrimazole (1) · Docusate (sodium or calcium) (1) · Hydroquinone (1) · Lactulose (1) · Levothyroxine (1) · Mupirocin (1) · Nystatin (1) · Polyethylene glycol 3350 (PEG 3350) (1) · Thyroid (desiccated) (1)

Armour Thyroid, NP Thyroid, Nature-Throid, WP Thyroid (1) · Bactroban, Centany (1) · Colace (sodium), Surfak (calcium); many generics OTC (1) · Dulcolax, Correctol, Bisac-Evac (1) · Generic; huge OTC presence (1) · Kristalose, Constulose, Generlac, Enulose (1) · Lotrimin, Mycelex, Gyne-Lotrimin; OTC widely (1) · Lustra, EpiQuin Micro, Melquin, Tri-Luma (with tretinoin and fluocinolone) (1) · MiraLAX (OTC), GlycoLax, GoLYTELY (with electrolytes for bowel prep), CoLyte, MoviPrep, NuLYTELY (1) · Mycostatin, Nystop, Nyamyc, Bio-Statin (1) · Penlac (nail lacquer), Loprox (cream/lotion/shampoo) (1) · Synthroid, Levoxyl, Tirosint, Unithroid, Euthyrox (1)

[[:Category:Antibacterials|Antibacterial]] (1) · [[:Category:Antifungals|Antifungal (imidazole)]] (1) · [[:Category:Antifungals|Antifungal]] (2) · [[:Category:Antioxidants|Antioxidant]] (1) · [[:Category:Bowel_preparation_agents|Bowel preparation agent]] (1) · [[:Category:Depigmenting_agents|Depigmenting agent]] (1) · [[:Category:Diphenylmethane_laxatives|Diphenylmethane laxative]] (1) · [[:Category:Disaccharides|Non-absorbable disaccharide]] (1) · [[:Category:Hepatic_encephalopathy_treatments|Hepatic encephalopathy treatment]] (1) · [[:Category:Hormone_replacement|Hormone replacement]] (2) · [[:Category:Hydroxypyridones|Hydroxypyridone]] (1) · [[:Category:Osmotic_laxatives|Osmotic laxative]] (2) · [[:Category:Polyene_antifungals|Polyene antifungal]] (1) · [[:Category:Skin_lightening_agents|Skin-lightening agent]] (1) · [[:Category:Stimulant_laxatives|Stimulant laxative]] (1) · [[:Category:Stool_softeners|Stool softener]] (1) · [[:Category:Surfactants|Surfactant]] (1) · [[:Category:Thyroid_hormones|Thyroid hormone]] (2) · [[:Category:Topical_antibiotics|Topical antibiotic]] (1) · [[:Category:Topical_antifungals|Topical antifungal]] (2) · [[:Category:Vitamins|Vitamin]] (1) · [[:Category:Water-soluble_vitamins|Water-soluble vitamin]] (1)

None (5) · 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) · '"`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-000009FD-QINU`"' Active against gram-positive cocci including MRSA; the unique target underlies the absence of cross-resistance with other antibiotic classes. High-level resistance (plasmid-mediated mupA) is rising and limits prolonged or repeated use'"`UNIQ--ref-000009FE-QINU`"'. (1) · '"`UNIQ--vote-00000D11-QINU`"' Same mechanistic family as amphotericin B but with prohibitive systemic toxicity at therapeutic doses, hence restriction to topical and luminal-gut indications. No clinically meaningful resistance after decades of use'"`UNIQ--ref-00000D12-QINU`"'. (1) · '"`UNIQ--vote-00001067-QINU`"' Chronic use is associated with cathartic colon (colonic dilation, loss of haustration), hypokalemia, and laxative dependence; reserved for short-term use or bowel prep with breaks between courses'"`UNIQ--ref-00001068-QINU`"'. (1) · '"`UNIQ--vote-00001233-QINU`"' Onychomycosis cure rates with nail lacquer are modest (mycologic cure ~30-50%, complete cure ~5-12% at 48 weeks); oral terbinafine remains substantially more effective when systemic therapy is acceptable'"`UNIQ--ref-00001234-QINU`"'. (1) · '"`UNIQ--vote-0000132D-QINU`"' Electrolyte-balanced bowel-prep formulations are designed to be iso-osmotic with plasma so the volume passes through without net fluid or electrolyte shifts, the basis of their safety for whole-bowel evacuation. (1)

'"`UNIQ--vote-00000033-QINU`"', '"`UNIQ--vote-00000034-QINU`"', '"`UNIQ--vote-00000035-QINU`"' (1) · '"`UNIQ--vote-00000034-QINU`"', '"`UNIQ--vote-00000035-QINU`"' (1) · '"`UNIQ--vote-000009FF-QINU`"', '"`UNIQ--vote-00000A00-QINU`"', '"`UNIQ--vote-00000A01-QINU`"' (1) · '"`UNIQ--vote-00000D13-QINU`"', '"`UNIQ--vote-00000D14-QINU`"', '"`UNIQ--vote-00000D15-QINU`"', '"`UNIQ--vote-00000D16-QINU`"' (1) · '"`UNIQ--vote-00000F40-QINU`"', '"`UNIQ--vote-00000F41-QINU`"', '"`UNIQ--vote-00000F42-QINU`"', '"`UNIQ--vote-00000F43-QINU`"', '"`UNIQ--vote-00000F44-QINU`"' (1) · '"`UNIQ--vote-00000F5C-QINU`"', '"`UNIQ--vote-00000F5D-QINU`"' (1) · '"`UNIQ--vote-00001069-QINU`"', '"`UNIQ--vote-0000106A-QINU`"' (1) · '"`UNIQ--vote-00001215-QINU`"', '"`UNIQ--vote-00001216-QINU`"', '"`UNIQ--vote-00001217-QINU`"' (1) · '"`UNIQ--vote-00001235-QINU`"', '"`UNIQ--vote-00001236-QINU`"', '"`UNIQ--vote-00001237-QINU`"', '"`UNIQ--vote-00001238-QINU`"' (1) · '"`UNIQ--vote-000012E5-QINU`"', '"`UNIQ--vote-000012E6-QINU`"', '"`UNIQ--vote-000012E7-QINU`"', '"`UNIQ--vote-000012E8-QINU`"' (1) · '"`UNIQ--vote-0000132E-QINU`"', '"`UNIQ--vote-0000132F-QINU`"', '"`UNIQ--vote-00001330-QINU`"' (1) · '"`UNIQ--vote-00001341-QINU`"', '"`UNIQ--vote-00001342-QINU`"' (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) · 100-200 mg PO once or twice daily; pediatric weight-based (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) · 5-15 mg PO once at bedtime; 10 mg PR for faster effect; bowel prep regimens use higher single doses (1) · Apply thin layer to hyperpigmented areas BID; limit to 4-6 month courses to avoid ochronosis (1) · Constipation: 15-30 mL PO daily (titrate to 1-2 soft stools/day); hepatic encephalopathy: 20-30 g (30-45 mL) PO/PR every 1-2 hours acutely until soft stools, then BID-QID to target 2-3 soft stools/day (1) · Constipation: 17 g (one capful) PO daily dissolved in 4-8 oz fluid; bowel prep: 4 L of PEG-electrolyte solution split-dose evening before and morning of procedure (1) · General supplementation 75-90 mg/d (RDA); scurvy treatment 100-1000 mg/d for several weeks; megadose claims unsupported (1) · Oral: 4-6 mL (400,000-600,000 units) suspension QID swish-and-swallow; topical: BID-QID; vaginal tablet 1 daily for 2 weeks (1) · Topical cream/lotion BID; shampoo twice weekly; nail lacquer (Penlac) once daily for up to 48 weeks (1) · Topical: 1% cream BID × 2-4 weeks; vaginal: 1% or 2% cream nightly × 7 days, or 100/200/500 mg vaginal tablet single or 3-day regimens; troche: 10 mg PO five times daily × 2 weeks for thrush (1) · Topical: apply small amount to affected area TID × 5-10 days; nasal: apply half the contents of a single-use tube into each nostril BID × 5 days (1)

0.77% topical cream, lotion, suspension; 1% shampoo; 8% nail lacquer (Penlac) (1) · 1% topical cream, lotion, solution; 1%, 2% vaginal cream; 100, 200, 500 mg vaginal tablets; 10 mg oral troches; combination with betamethasone (Lotrisone, Rx) (1) · 10 g/15 mL solution (Constulose); 10 g, 20 g powder packets (Kristalose) (1) · 100, 250, 500, 1000 mg tablets, chewables, gummies, effervescent; IV (specialty) (1) · 100,000 units/mL oral suspension; 500,000 unit tablets; 100,000 units/g cream, ointment, powder; vaginal tablets (1) · 15, 30, 60, 90, 120, 180, 240, 300 mg tablets (1/4 to 5 grains; 1 grain = 60 mg) (1) · 17 g (OTC) and 14 g (Rx) powder packets; 238, 510, 527 g bottles; PEG-electrolyte preparations 4 L (GoLYTELY, NuLYTELY) (1) · 2% ointment; 2% cream; 2% nasal ointment (Bactroban Nasal) (1) · 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 mcg tablets; oral capsule and IV/IM also available (1) · 4% prescription cream/lotion; OTC 2% withdrawn in US (2020 CARES Act); compounded higher strengths available (1) · 5 mg enteric-coated tablets; 10 mg rectal suppositories; OTC and Rx (1) · 50, 100, 250 mg capsules; 50 mg/5 mL syrup; OTC (1)

30 mg/d for short-term use (1) · 4% topical; limit duration of use (1) · BID topical; once daily nail lacquer (1) · Indication-specific (1) · Indication-specific; bowel prep regimens reach 4 L cumulative (1) · Indication-specific; HE may require high-volume dosing (1) · Limit topical to 10-day courses to reduce resistance pressure (1) · No fixed maximum; titrated to TSH target (2) · Topical: BID; troche: 5×/day (1) · UL 2000 mg/d in adults (1) · ~500 mg/d typical (1)

especially in acute HE) (1) · intranasal (1) · IV (2) · Oral (7) · Oral (topical action; minimal systemic absorption) (1) · oral troche (1) · rectal (2) · rectal (enema (1) · Topical (5) · vaginal (2)

1-3 days (1) · Constipation: 1-3 days; bowel prep: 1-3 hours after starting (1) · Constipation: 24-48 hours; HE: ammonia reduction within hours of stool production (1) · Days (2) · Days for dermatophyte clearance; nail clearance over months (1) · Days for symptom improvement in scurvy (1) · PO 6-12 hours; PR 15-60 minutes (1) · Symptom relief within days (1) · TSH normalization 4-8 weeks (1) · TSH normalization 4-8 weeks; symptomatic improvement weeks to months (1) · Visible lightening at 4-12 weeks (1)

None · 24 hours · 4-6 hours · 12 hours · 6-8 hours · Daily dosing · 8-12 hours · 12-24 hours · Hours · Hours per application · 24 hours (HS dosing) · 24 hours (once-daily dosing) · 24 h · N/A · N/A (replacement) · Variable · ~7-8 hours · 3-5 hours · 4-6 hours (IR); 24 hours (ER) · 6-12 hours

Other values:

Search

Not meaningfully described (1) · Not meaningfully described (minimal systemic absorption from topical use)'"`UNIQ--ref-00000F45-QINU`"' (1) · Not meaningfully described (negligible systemic absorption) (1) · Not meaningfully described (not systemically absorbed)'"`UNIQ--ref-00000D17-QINU`"' (1) · Not meaningfully described (topical local action)'"`UNIQ--ref-00001239-QINU`"' (1) · Not meaningfully described for topical use'"`UNIQ--ref-00000A02-QINU`"' (1) · Not meaningfully described — lactulose is not significantly absorbed (1) · Not meaningfully described — topical local action with minimal systemic absorption'"`UNIQ--ref-00001218-QINU`"' (1) · T4 ~7 days; T3 ~1 day'"`UNIQ--ref-00000036-QINU`"' (1) · Variable; effect dependent on local intestinal action rather than systemic kinetics'"`UNIQ--ref-0000106B-QINU`"' (1) · ~10-20 days (steady-state body pool); single dose plasma ~2 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) · <0.1% systemic absorption (PEG 3350 is too large to absorb intact) (1) · <3% systemic absorption (the basis of the safety and mechanism)'"`UNIQ--ref-00000F5E-QINU`"' (1) · Essentially zero systemic absorption from oral or topical routes — the topical-action-only profile is the basis of its safety'"`UNIQ--ref-00000D18-QINU`"' (1) · Local action; minimal systemic effect (1) · Low systemic absorption (enteric coating delivers drug to colon)'"`UNIQ--ref-0000106C-QINU`"' (1) · Topical with limited but measurable systemic absorption'"`UNIQ--ref-00001219-QINU`"' (1) · Topical with minimal systemic absorption'"`UNIQ--ref-0000123A-QINU`"' (1) · Topical: minimal systemic; troche: ~3% systemic'"`UNIQ--ref-00000F46-QINU`"' (1) · Topical; minimal systemic absorption'"`UNIQ--ref-00000A03-QINU`"' (1) · Variable; reduced by food, calcium, iron, PPIs'"`UNIQ--ref-00000037-QINU`"' (1) · ~70-90% at typical doses; saturable at high doses (>500 mg) (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.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally avoided in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered acceptable for short-term use.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe (minimal systemic absorption).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (2) · Generally considered safe due to minimal systemic absorption.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe in pregnancy (no systemic absorption).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; minimal systemic exposure.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Safe at routine doses; routinely supplemented in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · 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.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Topical and vaginal generally considered safe; widely used.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC (lower strengths) and [[USLegal:Prescription only|Rx-only]] (combination with betamethasone) in US (1) · OTC (MiraLAX) and [[USLegal:Prescription only|Rx-only]] (electrolyte solutions for bowel prep) in US (1) · OTC in US (3) · [[USLegal:Prescription only|Rx-only]] in US (6) · [[USLegal:Prescription only|Rx-only]] in US since 2020 (OTC 2% formulations withdrawn under CARES Act due to safety concerns) (1)