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Medicines > fda max

: 10 mg/d

or 40 mg/d typical; up to 240 mg/d for Zollinger-Ellison

or No fixed maximum; titrated to TSH target

Use the filters below to narrow your results.

None (1) · Alprazolam (1) · Amlodipine (1) · Dapagliflozin (1) · Esomeprazole (1) · Ezetimibe (1) · Levothyroxine (1) · Pantoprazole (1) · Thyroid (desiccated) (1)

Armour Thyroid, NP Thyroid, Nature-Throid, WP Thyroid (1) · Dayvigo (1) · Farxiga (US), Forxiga (international) (1) · Nexium, Nexium 24HR (OTC) (1) · Norvasc, Katerzia (1) · Protonix (1) · Synthroid, Levoxyl, Tirosint, Unithroid, Euthyrox (1) · Xanax (1) · Zetia (1)

None (2) · Competitive antagonist at OX1R and OX2R. Faster receptor association/dissociation kinetics than suvorexant (~16 sec dissociation vs ~57 sec) hypothesized to support sleep onset, with sufficient duration for maintenance. (1) · GABA-A positive allosteric modulator'"`UNIQ--ref-00000067-QINU`"' '"`UNIQ--vote-00000068-QINU`"' (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) · '"`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-00000073-QINU`"' The long half-life gives smooth, once-daily BP control with low rebound. CYP3A4 substrate; pedal edema is the characteristic, dose-related, non-fluid-overload side effect'"`UNIQ--ref-00000074-QINU`"'. (1) · '"`UNIQ--vote-00000117-QINU`"' Compared with omeprazole, pantoprazole has a more linear pharmacokinetic profile and is metabolized predominantly via CYP2C19 with CYP3A4 contribution; less CYP2C19-driven drug interaction with clopidogrel than omeprazole'"`UNIQ--ref-00000118-QINU`"'. (1) · '"`UNIQ--vote-000008E1-QINU`"' Like omeprazole, it is an acid-activated prodrug that covalently and irreversibly binds the H+/K+ ATPase. CYP2C19 PGx remains clinically relevant for both'"`UNIQ--ref-000008E2-QINU`"'. (1)

0.25 mg (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 PO once daily in the morning; 5 mg starting in heart failure (1) · 10 mg PO once daily, with or without food (1) · 2.5-5 mg PO once daily; titrate to 10 mg/d (1) · 20-40 mg PO once daily, 30-60 minutes before breakfast (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) · 40 mg PO or IV once daily (1) · 5 mg PO at bedtime; may increase to 10 mg if inadequate (1)

0.25 mg, 0.5 mg, 1 mg, 2 mg tablets (immediate-release and orally disintegrating); 0.5 mg, 1 mg, 2 mg, 3 mg extended-release tablets; 1 mg/mL oral concentrate (1) · 10 mg tablet; also as fixed-dose combinations with simvastatin (Vytorin) and atorvastatin (Liptruzet, withdrawn US 2015 but generics exist) (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 mg tablets; 1 mg/mL oral suspension (1) · 20 mg, 40 mg delayed-release tablets; 40 mg IV vial; oral suspension 40 mg/packet (1) · 20, 40 mg delayed-release capsules; 2.5, 5, 10, 20, 40 mg oral suspension packets; 20, 40 mg IV (1) · 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 mcg tablets; oral capsule and IV/IM also available (1) · 5 mg, 10 mg tablets (2)

IV (3) · Oral (9)

2-3 hours per dose; full acid suppression after 3-5 days (1) · 30-60 min (immediate-release); 1-2 h (extended-release) (1) · Acid suppression within hours; full effect after 3-5 days of dosing (1) · BP effect within 24 hours; full effect at 1-2 weeks (long half-life) (1) · Glycosuria within hours; HbA1c effect at 12 weeks; CV/renal benefits over months (1) · LDL lowering within 2 weeks (1) · TSH normalization 4-8 weeks (1) · TSH normalization 4-8 weeks; symptomatic improvement weeks to months (1) · ~30 min (1)

24 hours (3) · 24+ hours (irreversible enzyme binding) (1) · 24-72 hours per dose (irreversible enzyme binding) (1) · 6 h (immediate-release); ~11 h (extended-release) (1) · Steady-state at 4-6 weeks (2) · ~7-8 hours (1)

11-13 h (immediate-release); 11-16 h (extended-release) (1) · 30-50 hours'"`UNIQ--ref-00000078-QINU`"' (1) · T4 ~7 days; T3 ~1 day'"`UNIQ--ref-00000036-QINU`"' (1) · ~1 hour (plasma); pharmacodynamic effect persists 24+ hours'"`UNIQ--ref-0000011D-QINU`"' (1) · ~1.5 hours (plasma); pharmacodynamic effect 24+ hours via target turnover'"`UNIQ--ref-000008E8-QINU`"' (1) · ~12.9 hours'"`UNIQ--ref-00000552-QINU`"' (1) · ~17-19 hours (longer than daridorexant) (1) · ~22 hours (parent + active glucuronide)'"`UNIQ--ref-00000450-QINU`"' (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) · 64-90% (oral; not affected by food)'"`UNIQ--ref-00000079-QINU`"' (1) · 80-90% oral (1) · Variable (oral; rapidly conjugated to active glucuronide; food does not affect)'"`UNIQ--ref-00000451-QINU`"' (1) · Variable; reduced by food, calcium, iron, PPIs'"`UNIQ--ref-00000037-QINU`"' (1) · ~44% (1) · ~64-90% (oral; increases at higher doses and with multi-day dosing)'"`UNIQ--ref-000008E9-QINU`"' (1) · ~77% (oral; not affected by food or antacids)'"`UNIQ--ref-0000011E-QINU`"' (1) · ~78% (oral; high-fat meal modestly reduces but is not clinically significant)'"`UNIQ--ref-00000553-QINU`"' (1)

Avoid in second and third trimesters; fetal SGLT2 inhibition disrupts kidney development.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Category D'"`UNIQ--ref-0000006C-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) · Generally considered safe; widely used in obstetric reflux.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Limited data; avoid (1) · Limited data; case series and registries suggest no major teratogenicity but other antihypertensives (labetalol, nifedipine) are typically preferred.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Limited data; generally avoided particularly in combination with statin.[[[Pharmacopedia:Citation needed|citation needed]]] (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 in obstetric reflux; reassuring data.[[[Pharmacopedia:Citation needed|citation needed]]] (1)

OTC (20 mg, 14-day course) and [[USLegal:Prescription only|Rx-only]] (higher and longer durations) in US (1) · Rx, Schedule IV (US) (1) · Schedule IV (US) (1) · [[USLegal:Prescription only|Rx-only]] in US (6)

Showing below up to 9 results in range #1 to #9.

A

D

Dapagliflozin

Desiccated thyroid

E

L

P

Pantoprazole