Drilldown: Medicines

Nystatin (1) · Penicillin G (benzylpenicillin; potassium, sodium, benzathine, procaine salts) (1)

Bicillin L-A (benzathine), Bicillin C-R (combination procaine + benzathine), Pfizerpen (potassium IV) (1) · Mycostatin, Nystop, Nyamyc, Bio-Statin (1)

narrow-spectrum)]] (1) · [[:Category:Antifungals|Antifungal]] (1) · [[:Category:Beta-lactam_antibiotics|β-lactam antibiotic]] (1) · [[:Category:Penicillins|Penicillin (natural (1) · [[:Category:Polyene_antifungals|Polyene antifungal]] (1)

None (1) · '"`UNIQ--vote-00000D11-QINU`"' Same mechanistic family as amphotericin B but with prohibitive systemic toxicity at therapeutic doses, hence restriction to topical and luminal-gut indications. No clinically meaningful resistance after decades of use'"`UNIQ--ref-00000D12-QINU`"'. (1)

'"`UNIQ--vote-00000D13-QINU`"', '"`UNIQ--vote-00000D14-QINU`"', '"`UNIQ--vote-00000D15-QINU`"', '"`UNIQ--vote-00000D16-QINU`"' (1) · '"`UNIQ--vote-00001414-QINU`"', '"`UNIQ--vote-00001415-QINU`"', '"`UNIQ--vote-00001416-QINU`"', '"`UNIQ--vote-00001417-QINU`"', '"`UNIQ--vote-00001418-QINU`"' (1)

None (1) · Oral: 4-6 mL (400,000-600,000 units) suspension QID swish-and-swallow; topical: BID-QID; vaginal tablet 1 daily for 2 weeks (1)

100,000 units/mL oral suspension; 500,000 unit tablets; 100,000 units/g cream, ointment, powder; vaginal tablets (1) · Bicillin L-A 600,000; 1.2M; 2.4M U IM; aqueous crystalline (Pfizerpen) 5M, 20M U IV; procaine 600,000 U/mL IM (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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IM (benzathine (1) · IV (aqueous crystalline); '''NEVER IV for benzathine — fatal cardiopulmonary events reported''' (1) · Oral (topical action; minimal systemic absorption) (1) · procaine) (1) · topical (1) · vaginal (1)

IV: minutes; IM benzathine: depot levels last weeks (1) · Symptom relief within days (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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Aqueous crystalline ~30 minutes; benzathine effective ~3 weeks via depot release'"`UNIQ--ref-00001419-QINU`"' (1) · Not meaningfully described (not systemically absorbed)'"`UNIQ--ref-00000D17-QINU`"' (1)

Acid-labile; not effective orally (oral form available outside US as penicillin G salts but penicillin V is preferred for oral use)'"`UNIQ--ref-0000141A-QINU`"' (1) · Essentially zero systemic absorption from oral or topical routes — the topical-action-only profile is the basis of its safety'"`UNIQ--ref-00000D18-QINU`"' (1)

Generally considered safe in pregnancy (no systemic absorption).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Penicillin G is the only fully effective syphilis treatment in pregnancy; penicillin-allergic pregnant patients require desensitization.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

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