Drilldown: Medicines

Famotidine (1)

Pepcid, Pepcid AC, Pepcid Complete (1)

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'"`UNIQ--vote-00000255-QINU`"' Less potent and shorter-acting than PPIs but with faster on-effect; suitable for on-demand acid suppression. Largely renally cleared; dose-adjust in renal impairment to avoid CNS effects (confusion in elderly)'"`UNIQ--ref-00000256-QINU`"'. (1)

'"`UNIQ--vote-00000257-QINU`"', '"`UNIQ--vote-00000258-QINU`"', '"`UNIQ--vote-00000259-QINU`"', '"`UNIQ--vote-0000025A-QINU`"' (1)

20 mg PO twice daily, or 40 mg at bedtime (1)

10 mg, 20 mg, 40 mg tablets; chewables; 40 mg/5 mL oral suspension; 10 mg/mL IV (1)

160 mg/d (Zollinger-Ellison); 80 mg/d for routine indications (1)

IV (1) · Oral (1)

1 hour PO; minutes IV (1)

None · 24 hours · 4-6 hours · 12 hours · 6-8 hours · Daily dosing · 8-12 hours · 12-24 hours · Hours · Hours per application · 24 hours (HS dosing) · 24 hours (once-daily dosing) · 24 h · N/A · N/A (replacement) · Variable · ~7-8 hours · 3-5 hours · 4-6 hours (IR); 24 hours (ER) · 6-12 hours

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2.5-3.5 hours; longer in renal impairment'"`UNIQ--ref-0000025B-QINU`"' (1)

40-45% (oral; not significantly affected by food)'"`UNIQ--ref-0000025C-QINU`"' (1)

Generally considered safe; widely used. Cleared in lactation at low levels.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC (10-20 mg) and [[USLegal:Prescription only|Rx-only]] (higher doses) in US (1)