Drilldown: Medicines

Cephalexin (1) · Penicillin V (phenoxymethylpenicillin) (1)

Keflex, Daxbia, Panixine; mostly prescribed generically (1) · Pen-V, Veetids (mostly generic) (1)

narrow-spectrum)]] (1) · [[:Category:Beta-lactam_antibiotics|β-lactam antibiotic]] (2) · [[:Category:Cephalosporins|Cephalosporin (first-generation)]] (1) · [[:Category:Penicillins|Penicillin (natural (1)

None (2)

'"`UNIQ--vote-000004ED-QINU`"', '"`UNIQ--vote-000004EE-QINU`"', '"`UNIQ--vote-000004EF-QINU`"', '"`UNIQ--vote-000004F0-QINU`"', '"`UNIQ--vote-000004F1-QINU`"' (1) · '"`UNIQ--vote-00000E71-QINU`"', '"`UNIQ--vote-00000E72-QINU`"', '"`UNIQ--vote-00000E73-QINU`"', '"`UNIQ--vote-00000E74-QINU`"', '"`UNIQ--vote-00000E75-QINU`"' (1)

250-500 mg PO every 6-8 hours (1) · 500 mg PO every 6 hours, or 250 mg every 6 hours for mild infections (1)

250 mg, 500 mg tablets; 125 mg/5 mL, 250 mg/5 mL suspension (1) · 250 mg, 500 mg, 750 mg capsules; 250 mg/5 mL, 125 mg/5 mL suspension; tablets (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

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Oral (2)

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

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6-8 hours (2)

~1 hour'"`UNIQ--ref-000004F2-QINU`"' (1) · ~30-60 minutes'"`UNIQ--ref-00000E76-QINU`"' (1)

90% (oral; food delays but does not reduce absorption)'"`UNIQ--ref-000004F3-QINU`"' (1) · ~60% (oral; phenoxymethyl modification makes it acid-stable, unlike penicillin G which is destroyed by gastric acid)'"`UNIQ--ref-00000E77-QINU`"' (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> (2)

[[USLegal:Prescription only|Rx-only]] in US (2)