Drilldown: Medicines

Cyclobenzaprine (1) · Insulin degludec (1) · Lovastatin (1) · Meclizine (1) · Pravastatin (1) · Simvastatin (1) · Thyroid (desiccated) (1)

Altoprev (ER), Mevacor (discontinued US); mostly generic (1) · Antivert (Rx), Bonine (OTC), Dramamine Less Drowsy (OTC) (1) · Armour Thyroid, NP Thyroid, Nature-Throid, WP Thyroid (1) · Flexeril (IR; brand discontinued in US, generic widely available), Amrix (ER) (1) · Pravachol (1) · Tresiba (1) · Zocor (1)

[[:Category:Antiemetics|Antiemetic]] (1) · [[:Category:Antihistamines|First-generation antihistamine (piperazine)]] (1) · [[:Category:Antivertigo medicines|Antivertigo medicine]] (1) · [[:Category:Basal_insulins|Basal insulin]] (1) · [[:Category:Hormone_replacement|Hormone replacement]] (1) · [[:Category:Insulins|Insulin]] (1) · [[:Category:Lipid-lowering_agents|Lipid-lowering agent]] (3) · [[:Category:Skeletal muscle relaxants|Skeletal muscle relaxant (centrally-acting)]] (1) · [[:Category:Statins|Statin]] (3) · [[:Category:Thyroid_hormones|Thyroid hormone]] (1) · [[:Category:Tricyclic-related compounds|Tricyclic-related compound]] (1) · [[:Category:Ultra-long-acting_insulins|Ultra-long-acting insulin analog]] (1)

None (3) · '"`UNIQ--vote-00000013-QINU`"' Anticholinergic burden (dry mouth, blurred vision, urinary retention, cognitive effects) is the principal adverse-event concern and the basis for Beers-list cautions in elderly patients'"`UNIQ--ref-00000014-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-000003D1-QINU`"' SLCO1B1 polymorphism affects exposure but is most clinically actionable for simvastatin'"`UNIQ--ref-000003D2-QINU`"'. (1) · '"`UNIQ--vote-00001356-QINU`"' Binds the same insulin receptor as endogenous insulin with comparable mitogenic-to-metabolic ratio'"`UNIQ--ref-00001357-QINU`"'. (1)

'"`UNIQ--vote-00000015-QINU`"', '"`UNIQ--vote-00000016-QINU`"', '"`UNIQ--vote-00000017-QINU`"' (1) · '"`UNIQ--vote-00000017-QINU`"', '"`UNIQ--vote-00000018-QINU`"', '"`UNIQ--vote-00000019-QINU`"' (1) · '"`UNIQ--vote-00000018-QINU`"', '"`UNIQ--vote-00000019-QINU`"' (1) · '"`UNIQ--vote-00000178-QINU`"', '"`UNIQ--vote-00000179-QINU`"' (1) · '"`UNIQ--vote-000003D3-QINU`"', '"`UNIQ--vote-000003D4-QINU`"' (1) · '"`UNIQ--vote-00000805-QINU`"', '"`UNIQ--vote-00000806-QINU`"' (1) · '"`UNIQ--vote-00001358-QINU`"', '"`UNIQ--vote-00001359-QINU`"' (1)

10-20 mg PO once daily in the evening (40 mg starting allowed for high CV risk) (1) · 20 mg PO once daily with the evening meal; titrate to 40-80 mg/d (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 once daily (10-20 mg in elderly, hepatic impairment, or strong drug interactions) (1) · IR 5 mg PO TID; titrate to 10 mg TID if needed. Amrix ER 15 mg PO once daily. Off-label insomnia / fibromyalgia: 5-10 mg PO at bedtime (1) · Motion sickness: 25-50 mg PO 1 hour before travel, repeat every 24 hours as needed. Vertigo: 25-100 mg/day divided (1) · ~10 units SC at the same time daily, or 0.1-0.2 units/kg/d; titrate by fasting glucose (1)

10 mg, 20 mg, 40 mg, 80 mg tablets (1) · 10, 20, 40 mg tablets; 20, 40, 60 mg ER tablets (1) · 100 U/mL (FlexTouch pen) and 200 U/mL (FlexTouch pen, higher-dose convenience) (1) · 15, 30, 60, 90, 120, 180, 240, 300 mg tablets (1/4 to 5 grains; 1 grain = 60 mg) (1) · 5, 10, 20, 40, 80 mg tablets; 4 mg/mL oral suspension (1) · IR tablets 5, 7.5, 10 mg; Amrix ER capsules 15, 30 mg (1) · Tablets 12.5, 25 mg; chewable tablets 25 mg (1)

100 mg/day (vertigo) (1) · 30 mg/day (IR or ER) (1) · 40 mg/d standard; 80 mg/d restricted to patients tolerating 80 mg for ≥12 months without myopathy (post-SEARCH 2011 FDA restriction) (1) · 80 mg/d (1) · 80 mg/d (40 mg/d if combined with diltiazem, verapamil, danazol; lower limits with various interactions) (1) · No fixed maximum; titrated to TSH target (1) · Titrated to glucose; no fixed ceiling (1)

Oral (6) · Subcutaneous (never IV; not for use in insulin pumps) (1)

None · Hours · 30-60 minutes · 1-2 hours · ~30 min · LDL lowering at 2 weeks, max by 4 weeks · ~1 hour · 15-30 minutes · 15–30 min · 1–2 h · 30–60 min · Antidepressant effect emerges over 1-2 weeks · BP and symptomatic LUTS improvement within 1-2 weeks · BP effect within 1-2 weeks · Clinical improvement within 24-72 hours · Days · Motor improvement over days at therapeutic dose · Over weeks · Postprandial glucose effect within days; HbA1c by 12 weeks · Sleep effect from first dose; antidepressant effect over 1-4 weeks

Other values:

Search

12-24 hours (IR); 24 hours (Amrix ER) (1) · 12-24 hours (long for an antihistamine) (1) · 24 hours (2) · 24 hours (evening dosing aligns with overnight HMG-CoA reductase peak) (1) · >42 hours per dose (effectively flat once at steady state) (1) · Steady-state at 4-6 weeks (1)

18 hours (IR); 32-33 hours (ER)'"`UNIQ--ref-0000001A-QINU`"' (1) · T4 ~7 days; T3 ~1 day'"`UNIQ--ref-0000001A-QINU`"' (1) · ~2 hours (parent and active β-hydroxy acid metabolite); pharmacodynamic effect lasts 24 hours via target turnover'"`UNIQ--ref-0000017A-QINU`"' (1) · ~2-3 hours (parent); pharmacodynamic effect 24 hours via target turnover'"`UNIQ--ref-000003D5-QINU`"' (1) · ~2-4 hours (parent and active β-hydroxy acid metabolite); pharmacodynamic effect 24 hours via target turnover'"`UNIQ--ref-00000807-QINU`"' (1) · ~25 hours apparent (functional duration well over 42 hours from multi-hexamer depot)'"`UNIQ--ref-0000135A-QINU`"' (1) · ~6 hours'"`UNIQ--ref-00000018-QINU`"' (1)

<5% (extensive hepatic first-pass; food enhances absorption of IR, hence the evening-meal dosing)'"`UNIQ--ref-00000808-QINU`"' (1) · <5% (extensive hepatic first-pass; statin pharmacology is hepatocellular, not systemic)'"`UNIQ--ref-0000017B-QINU`"' (1) · Variable; reduced by food, calcium, iron, PPIs'"`UNIQ--ref-0000001B-QINU`"' (1) · ~100% from subcutaneous depot (1) · ~17% (oral; food slightly reduces absorption)'"`UNIQ--ref-000003D6-QINU`"' (1) · ~25% (oral)'"`UNIQ--ref-00000019-QINU`"' (1) · ~33-55% (IR); reduced by food'"`UNIQ--ref-0000001B-QINU`"' (1)

Insulin is the preferred glucose-lowering therapy in pregnancy; degludec has reassuring observational 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) · Older agent with substantial use experience; observational signals reassuring for first-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Previously Category X; FDA removed the blanket statin contraindication in pregnancy in 2021.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (3) · Synthetic levothyroxine is the standard-of-care in pregnancy; desiccated thyroid use in pregnancy is not well studied.'"`UNIQ--ref-0000001C-QINU`"' (1)

[[USLegal:Over-the-counter|OTC]] as Bonine and Dramamine Less Drowsy; [[USLegal:Prescription only|Rx-only]] as Antivert (1) · [[USLegal:Prescription only|Rx-only]] in US (5) · [[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, distinguishing it from the carisoprodol alternative for muscle spasm'"`UNIQ--ref-0000001C-QINU`"' (1)