Drilldown: Medicines

Cephalexin (1) · Clindamycin (1) · Erythromycin (1) · Penicillin V (phenoxymethylpenicillin) (1) · Torsemide (1)

Cleocin (oral, IV); Clindesse, Cleocin (vaginal); Clindets, Cleocin T (topical) (1) · Demadex, Soaanz (1) · E.E.S., EryPed, Ery-Tab, PCE, Erythrocin (lactobionate IV); topical Erygel, Akne-Mycin; ophthalmic ointment (1) · Keflex, Daxbia, Panixine; mostly prescribed generically (1) · Pen-V, Veetids (mostly generic) (1)

narrow-spectrum)]] (1) · [[:Category:Antibacterials|Antibacterial]] (2) · [[:Category:Beta-lactam_antibiotics|β-lactam antibiotic]] (2) · [[:Category:Cephalosporins|Cephalosporin (first-generation)]] (1) · [[:Category:Lincosamides|Lincosamide antibiotic]] (1) · [[:Category:Loop_diuretics|Loop diuretic]] (1) · [[:Category:Macrolide_antibiotics|Macrolide antibiotic]] (1) · [[:Category:Penicillins|Penicillin (natural (1) · [[:Category:Prokinetics|Prokinetic (off-label)]] (1)

None (4) · '"`UNIQ--vote-00000B40-QINU`"' The TRANSFORM-HF trial (2023) found no all-cause mortality difference between torsemide and furosemide in heart failure, although torsemide remains pharmacologically preferred where furosemide oral absorption is unreliable'"`UNIQ--ref-00000B41-QINU`"'. (1)

'"`UNIQ--vote-000004ED-QINU`"', '"`UNIQ--vote-000004EE-QINU`"', '"`UNIQ--vote-000004EF-QINU`"', '"`UNIQ--vote-000004F0-QINU`"', '"`UNIQ--vote-000004F1-QINU`"' (1) · '"`UNIQ--vote-00000B42-QINU`"', '"`UNIQ--vote-00000B43-QINU`"', '"`UNIQ--vote-00000B44-QINU`"', '"`UNIQ--vote-00000B45-QINU`"' (1) · '"`UNIQ--vote-00000D38-QINU`"', '"`UNIQ--vote-00000D39-QINU`"', '"`UNIQ--vote-00000D3A-QINU`"', '"`UNIQ--vote-00000D3B-QINU`"', '"`UNIQ--vote-00000D3C-QINU`"', '"`UNIQ--vote-00000D3D-QINU`"' (1) · '"`UNIQ--vote-00000E71-QINU`"', '"`UNIQ--vote-00000E72-QINU`"', '"`UNIQ--vote-00000E73-QINU`"', '"`UNIQ--vote-00000E74-QINU`"', '"`UNIQ--vote-00000E75-QINU`"' (1) · '"`UNIQ--vote-0000143C-QINU`"', '"`UNIQ--vote-0000143D-QINU`"', '"`UNIQ--vote-0000143E-QINU`"', '"`UNIQ--vote-0000143F-QINU`"', '"`UNIQ--vote-00001440-QINU`"', '"`UNIQ--vote-00001441-QINU`"' (1)

10-20 mg PO/IV once daily; titrate by clinical response. 1:1 IV to PO conversion (unlike furosemide's 1:2) (1) · 250-500 mg PO every 6-8 hours (1) · 250-500 mg PO QID; 7.5-12.5 mg/kg IV q6h; topical and ophthalmic per formulation (1) · 500 mg PO every 6 hours, or 250 mg every 6 hours for mild infections (1) · Oral 300-450 mg PO QID; IV 600-900 mg q8h; topical 1% solution/gel BID; vaginal 100 mg ovule × 3 days or 2% cream × 7 days (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) · 250, 500 mg base or stearate tablets; ER tablets; ethyl succinate 200 mg/5 mL suspension; 500 mg, 1 g IV (lactobionate); 2% topical solution/gel; 0.5% ophthalmic ointment (1) · 5, 10, 20, 100 mg tablets; 10 mg/mL IV (1) · 75, 150, 300 mg capsules; 75 mg/5 mL solution; 150 mg/mL IV; 1% topical; 2% vaginal cream (1)

2 g/d typical (1) · 200 mg/d typical practical ceiling (1) · 4 g/d (1) · 4 g/d (rarely tolerated due to GI effects) (1) · 4.8 g/d (IV severe infection) (1)

IM (1) · IV (3) · ophthalmic (1) · Oral (5) · topical (2) · vaginal (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:

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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

Other values:

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3-4 hours (similar between PO and IV due to high oral bioavailability)'"`UNIQ--ref-00000B46-QINU`"' (1) · ~1 hour'"`UNIQ--ref-000004F2-QINU`"' (1) · ~1.5-2 hours'"`UNIQ--ref-00000D3E-QINU`"' (1) · ~2.5-3 hours'"`UNIQ--ref-00001442-QINU`"' (1) · ~30-60 minutes'"`UNIQ--ref-00000E76-QINU`"' (1)

90% (oral; food delays but does not reduce absorption)'"`UNIQ--ref-000004F3-QINU`"' (1) · ~30-65% (oral; acid-labile, hence enteric-coated formulations; food affects absorption variably)'"`UNIQ--ref-00000D3F-QINU`"' (1) · ~60% (oral; phenoxymethyl modification makes it acid-stable, unlike penicillin G which is destroyed by gastric acid)'"`UNIQ--ref-00000E77-QINU`"' (1) · ~80% (oral; predictable absorption — a substantive practical advantage over furosemide whose oral absorption is 10-100% variable)'"`UNIQ--ref-00000B47-QINU`"' (1) · ~90% (oral)'"`UNIQ--ref-00001443-QINU`"' (1)

Avoid where possible; class concerns as for other loop diuretics.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally considered safe; commonly used in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (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)

OTC (ophthalmic ointment) and [[USLegal:Prescription only|Rx-only]] (other forms) in US (1) · [[USLegal:Prescription only|Rx-only]] in US (3) · [[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' for Clostridioides difficile colitis (one of the most C. difficile-inducing antibiotic classes)'"`UNIQ--ref-00001444-QINU`"' (1)