Drilldown: Medicines

Celecoxib (1) · Cephalexin (1) · Icosapent ethyl (eicosapentaenoic acid ethyl ester, EPA-EE) (1) · Levothyroxine (1) · Omega-3-acid ethyl esters (1) · Thyroid (desiccated) (1)

Armour Thyroid, NP Thyroid, Nature-Throid, WP Thyroid (1) · Celebrex (oral capsules), Elyxyb (oral solution, for acute migraine) (1) · Keflex, Daxbia, Panixine; mostly prescribed generically (1) · Lovaza, Omtryg (1) · Synthroid, Levoxyl, Tirosint, Unithroid, Euthyrox (1) · Vascepa (1)

selective COX-2)]] (1) · [[:Category:Analgesics|Analgesic]] (1) · [[:Category:Beta-lactam_antibiotics|β-lactam antibiotic]] (1) · [[:Category:Cephalosporins|Cephalosporin (first-generation)]] (1) · [[:Category:Hormone_replacement|Hormone replacement]] (2) · [[:Category:Lipid-lowering_agents|Lipid-lowering agent]] (2) · [[:Category:NSAIDs|Non-steroidal anti-inflammatory (NSAID (1) · [[:Category:Omega-3_fatty_acids|Omega-3 fatty acid]] (2) · [[:Category:Thyroid_hormones|Thyroid hormone]] (2)

None (3) · 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-00000016-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-00000017-QINU`"'. (1) · '"`UNIQ--vote-0000004E-QINU`"' The EPA+DHA mix is biochemically and clinically distinct from icosapent ethyl'"`UNIQ--ref-0000004F-QINU`"'. (1)

'"`UNIQ--vote-00000018-QINU`"', '"`UNIQ--vote-00000019-QINU`"' (1) · '"`UNIQ--vote-00000021-QINU`"', '"`UNIQ--vote-00000022-QINU`"', '"`UNIQ--vote-00000023-QINU`"', '"`UNIQ--vote-00000024-QINU`"', '"`UNIQ--vote-00000025-QINU`"', '"`UNIQ--vote-00000026-QINU`"', '"`UNIQ--vote-00000027-QINU`"', '"`UNIQ--vote-00000028-QINU`"' (1) · '"`UNIQ--vote-00000033-QINU`"', '"`UNIQ--vote-00000034-QINU`"', '"`UNIQ--vote-00000035-QINU`"' (1) · '"`UNIQ--vote-00000050-QINU`"' (1) · '"`UNIQ--vote-000004ED-QINU`"', '"`UNIQ--vote-000004EE-QINU`"', '"`UNIQ--vote-000004EF-QINU`"', '"`UNIQ--vote-000004F0-QINU`"', '"`UNIQ--vote-000004F1-QINU`"' (1) · '"`UNIQ--vote-000013CF-QINU`"', '"`UNIQ--vote-000013D0-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) · 2 g PO BID with meals (4 g/d total) (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) · 4 g PO daily (as 4 x 1 g capsules once daily, or 2 capsules BID) (1) · 500 mg PO every 6 hours, or 250 mg every 6 hours for mild infections (1) · Osteoarthritis: 200 mg PO once daily or 100 mg BID. Rheumatoid arthritis: 100-200 mg PO BID. Acute pain: 400 mg loading, then 200 mg every 12 hours (1)

0.5 g, 1 g capsules (1) · 1 g soft gelatin capsules containing ~465 mg EPA + ~375 mg DHA as ethyl esters (1) · 15, 30, 60, 90, 120, 180, 240, 300 mg tablets (1/4 to 5 grains; 1 grain = 60 mg) (1) · 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200, 300 mcg tablets; oral capsule and IV/IM also available (1) · 250 mg, 500 mg, 750 mg capsules; 250 mg/5 mL, 125 mg/5 mL suspension; tablets (1) · Capsules 50, 100, 200, 400 mg; Elyxyb oral solution 25 mg/mL (1)

None · Indication-specific · 40 mg/d · 10 mg/d · 20 mg/d · 80 mg/d · 10 mg/d (adults) · 100 mg/d · 4 g/d · 400 mg/d · 40 mg/d typical; up to 240 mg/d for Zollinger-Ellison · 5 mg/d · 50 mg/d · 600 mg/d · No fixed ceiling; titrate to clinical effect and tolerability with CDC opioid prescribing guidance constraints on morphine-milligram-equivalent (MME) totals · No fixed maximum; titrated to TSH target · TID per eye · Titrated to glucose; no fixed ceiling · Titrated to glucose; no fixed maximum · '''20 mg/day in adults >60 years''' per FDA's 2011-2012 QT-prolongation warning; 40 mg/day in adults ≤60

Other values:

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IV (1) · Oral (6)

30-60 minutes (1) · Hours (1) · Triglyceride lowering at 2-4 weeks; max at 8 weeks (1) · Triglyceride lowering at 4-8 weeks; CV benefit emerges over months (1) · TSH normalization 4-8 weeks (1) · TSH normalization 4-8 weeks; symptomatic improvement weeks to months (1)

12 hours (1) · 12-24 hours (1) · 6-8 hours (1) · Daily dosing (1) · Steady-state at 4-6 weeks (2)

Not well characterized; tissue incorporation over weeks'"`UNIQ--ref-00000051-QINU`"' (1) · T4 ~7 days; T3 ~1 day'"`UNIQ--ref-0000001A-QINU`"' (1) · ~1 hour'"`UNIQ--ref-000004F2-QINU`"' (1) · ~11 hours'"`UNIQ--ref-00000029-QINU`"' (1) · ~7 days (euthyroid); longer in hypothyroidism (~9-10 days), shorter in hyperthyroidism'"`UNIQ--ref-00000036-QINU`"' (1) · ~89 hours (EPA, the active metabolite)'"`UNIQ--ref-000013D1-QINU`"' (1)

40-80% (oral); reduced by food, calcium, iron, PPIs, fiber; take fasting with water'"`UNIQ--ref-00000037-QINU`"' (1) · 90% (oral; food delays but does not reduce absorption)'"`UNIQ--ref-000004F3-QINU`"' (1) · Improved with food'"`UNIQ--ref-00000052-QINU`"' (1) · Substantially improved with high-fat meal; take with food'"`UNIQ--ref-000013D2-QINU`"' (1) · Variable; reduced by food, calcium, iron, PPIs'"`UNIQ--ref-0000001B-QINU`"' (1) · ~99% (oral)'"`UNIQ--ref-0000002A-QINU`"' (1)

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`"' (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 considered safe; widely used.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited human data<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.'"`UNIQ--ref-0000001C-QINU`"' (1)

[[USLegal:Prescription only|Rx-only]] in US (6)