Drilldown: Medicines

None (1) · Cyclobenzaprine (1) · Insulin degludec (1) · Lovastatin (1) · Meclizine (1) · Pravastatin (1) · Simvastatin (1)

Altoprev (ER), Mevacor (discontinued US); mostly generic (1) · Antivert (Rx), Bonine (OTC), Dramamine Less Drowsy (OTC) (1) · Flexeril (IR; brand discontinued in US, generic widely available), Amrix (ER) (1) · Nuplazid (1) · Pravachol (1) · Tresiba (1) · Zocor (1)

Selective 5HT2A inverse agonist (with weaker 5HT2C inverse agonism) (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: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:Tricyclic-related compounds|Tricyclic-related compound]] (1) · [[:Category:Ultra-long-acting_insulins|Ultra-long-acting insulin analog]] (1)

None (3) · Selective inverse agonist at 5HT2A receptors with weaker activity at 5HT2C. Has no significant dopamine D2 affinity, unique among approved antipsychotics. Inverse agonism (rather than antagonism) reduces constitutive 5HT2A receptor activity below baseline. (1) · '"`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-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)

Hallucinations and delusions associated with Parkinson's disease psychosis (PDP). Investigational for psychosis in other dementias and as augmentation for depression. (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-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) · 34 mg PO once daily (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 mg, 34 mg capsules/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) · 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) · 34 mg/d (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) · 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) · Daily dosing (1)

18 hours (IR); 32-33 hours (ER)'"`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) · ~57 hours (parent), ~200 h (active metabolite) (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) · Not characterized; oral dosing once daily (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 data; avoid (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)

Rx. FDA black-box warning for increased mortality in elderly patients with dementia-related psychosis (class warning shared with all antipsychotics) (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 (4) · [[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)