Drilldown: Medicines

Alprazolam (1) · Flecainide (1)

Tambocor (US brand discontinued) (1) · Xanax (1)

Anxiolytic (1) · Benzodiazepine (1) · Triazolobenzodiazepine (1) · [[:Category:Antiarrhythmics|Antiarrhythmic (Vaughan-Williams class IC)]] (1)

GABA-A positive allosteric modulator'"`UNIQ--ref-00000067-QINU`"' '"`UNIQ--vote-00000068-QINU`"' (1) · '"`UNIQ--vote-0000113A-QINU`"' Concomitant β-blocker or CCB is required when used for AF to prevent 1:1 atrial flutter conduction (flecainide can slow atrial rate to a level where AV conduction allows dangerous ventricular rates). CYP2D6 substrate'"`UNIQ--ref-0000113B-QINU`"'. (1)

'"`UNIQ--vote-00000069-QINU`"', '"`UNIQ--vote-0000006A-QINU`"', '"`UNIQ--vote-0000006B-QINU`"' (1) · '"`UNIQ--vote-0000113C-QINU`"', '"`UNIQ--vote-0000113D-QINU`"', '"`UNIQ--vote-0000113E-QINU`"' (1)

None · ~10 units SC at the same time daily, or 0.1-0.2 units/kg/d; titrate by fasting glucose · '''5 mg PO at bedtime for women, 5-10 mg for men''' (per FDA's 2013 sex-specific dose reduction for women due to slower clearance). Ambien CR 6.25 mg women / 6.25-12.5 mg men. Intermezzo SL 1.75 mg women / 3.5 mg men · 0.25 mg · 0.4 mg PO daily (general prevention); 0.8-1 mg/d in pregnancy; 4 mg/d for women with prior NTD-affected pregnancy; 1 mg/d during methotrexate therapy · 0.4 mg PO once daily, 30 minutes after the same meal each day · 0.5 mg PO once daily · 0.5-1 mg PO/IV once or twice daily; titrate to clinical response. Approximate equipotency: bumetanide 1 mg ≈ furosemide 40 mg ≈ torsemide 20 mg · 0.5-2 mg/kg/d divided or single morning dose for acute conditions; lowest effective dose for chronic conditions, with planned taper · 0.5-3 mg PO 30-60 minutes before bedtime. Some patients respond to micro-doses (0.3 mg) without additional benefit at higher doses. For circadian phase shifting, timing relative to dim-light melatonin onset matters more than absolute dose · 0.5–1 oz (10–30 g) ground for psychoactive effect; far smaller for culinary use · 0.75 mg SC weekly'"`UNIQ--ref-00000053-QINU`"' · 1 capsule (20/10 mg dextromethorphan/quinidine) PO once daily × 7 days, then 1 capsule BID · 1 drop in affected eye(s) TID (monotherapy); BID with timolol (Cosopt) · 1 drop in the affected eye(s) once daily in the evening · 1 drop in the affected eye(s) once daily in the evening (Lumigan); Latisse applied to upper lash line at bedtime · 1 g PO QID on an empty stomach (1 hour before meals and at bedtime); 1 g BID for maintenance · 1 mg at bedtime (PTSD nightmares); 1 mg BID–TID (HTN) · 1 mg PO at bedtime to limit first-dose syncope; titrate weekly to 5-10 mg · 1 mg PO once daily

Other values:

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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) · 50, 100, 150 mg tablets (1)

10 mg/d (1) · 400 mg/d (1)

Oral (2)

30-60 min (immediate-release); 1-2 h (extended-release) (1) · AF conversion within hours of single PO dose (1)

12 hours (1) · 6 h (immediate-release); ~11 h (extended-release) (1)

11-13 h (immediate-release); 11-16 h (extended-release) (1) · ~14 hours (adults); longer in elderly and renal impairment'"`UNIQ--ref-0000113F-QINU`"' (1)

80-90% oral (1) · ~90% (oral)'"`UNIQ--ref-00001140-QINU`"' (1)

Category D'"`UNIQ--ref-0000006C-QINU`"' (1) · Use in fetal SVT (transplacental antiarrhythmic therapy) is established; otherwise weigh against alternatives.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

Schedule IV (US) (1) · [[USLegal:Prescription only|Rx-only]] in US. '''Contraindicated in structural heart disease''' — CAST trial (1989) showed increased mortality from class IC agents in patients with prior MI; modern use is limited to structurally normal hearts'"`UNIQ--ref-00001141-QINU`"' (1)