Drilldown: Medicines

Cephalexin (1) · Clindamycin (1) · Cyproheptadine (hydrochloride) (1) · Erythromycin (1) · Lorazepam (1) · Methylphenidate (1) · Penicillin V (phenoxymethylpenicillin) (1) · Phenazopyridine (1) · Torsemide (1)

Ativan (oral, injectable), Loreev XR (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) · Periactin (US brand discontinued; generic widely available) (1) · Pyridium (Rx), Azo Standard, AZO Urinary Pain Relief (OTC) (1) · Ritalin, Ritalin LA, Concerta, Metadate CD, Daytrana, Quillivant XR (1)

narrow-spectrum)]] (1) · NDRI (1) · Psychostimulant (1) · [[:Category:Antibacterials|Antibacterial]] (2) · [[:Category:Antihistamines|First-generation antihistamine]] (1) · [[:Category:Anxiolytics|Anxiolytic]] (1) · [[:Category:Azo_dyes|Azo dye]] (1) · [[:Category:Benzodiazepines|Benzodiazepine]] (1) · [[: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:Orexigenics|Appetite-promoting medicine (orexigenic)]] (1) · [[:Category:Penicillins|Penicillin (natural (1) · [[:Category:Prokinetics|Prokinetic (off-label)]] (1) · [[:Category:Schedule IV controlled substances|Schedule IV controlled substance]] (1) · [[:Category:Serotonin antagonists|Serotonin 5-HT2 antagonist]] (1) · [[:Category:Urinary_analgesics|Urinary tract analgesic]] (1)

None (6) · Norepinephrine–dopamine reuptake inhibition (DAT, NET) (1) · '"`UNIQ--vote-00000017-QINU`"' Anticholinergic and sedating, with the standard first-generation antihistamine Beers-list concerns in elderly patients'"`UNIQ--ref-00000018-QINU`"'. (1) · '"`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)

ADHD, narcolepsy (1) · '"`UNIQ--vote-00000019-QINU`"', '"`UNIQ--vote-0000001A-QINU`"', '"`UNIQ--vote-0000001B-QINU`"', '"`UNIQ--vote-0000001C-QINU`"', '"`UNIQ--vote-0000001D-QINU`"' (1) · '"`UNIQ--vote-00000023-QINU`"', '"`UNIQ--vote-00000024-QINU`"', '"`UNIQ--vote-00000025-QINU`"', '"`UNIQ--vote-00000026-QINU`"', '"`UNIQ--vote-00000027-QINU`"', '"`UNIQ--vote-00000028-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-00000FB3-QINU`"', '''adjunctive only''' (does not treat the underlying infection) (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)

None (1) · 10-20 mg PO/IV once daily; titrate by clinical response. 1:1 IV to PO conversion (unlike furosemide's 1:2) (1) · 100-200 mg PO TID after meals × no more than 2 days when used with concurrent antibiotic (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) · Allergy: 4 mg PO TID. Serotonin syndrome: 12 mg loading dose PO or by nasogastric tube, then 2 mg every 2 hours until clinical improvement. Appetite stimulation: 2-4 mg PO TID-QID (1) · Anxiety: 0.5-1 mg PO BID-TID. Insomnia: 1-2 mg PO at bedtime. Status epilepticus: 4 mg IV (adult), repeat after 5-10 minutes if needed. Acute agitation: 1-2 mg IM (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)

None (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) · 95 mg (OTC), 99.5 mg, 100 mg, 200 mg tablets (1) · Tablets 0.5, 1, 2 mg; oral concentrate 2 mg/mL; injection 2 mg/mL and 4 mg/mL; Loreev XR capsules 1, 2, 3 mg (1) · Tablets 4 mg; oral syrup 2 mg/5 mL (1)

None (1) · 10 mg/day (anxiety, oral) (1) · 2 g/d typical (1) · 200 mg/d typical practical ceiling (1) · 32 mg/day adult; weight-based pediatric ceiling (1) · 4 g/d (1) · 4 g/d (rarely tolerated due to GI effects) (1) · 4.8 g/d (IV severe infection) (1) · Limit to 48 hours of use to avoid hemolysis and methemoglobinemia (1)

IM (1) · intramuscular (1) · intravenous (1) · IV (3) · ophthalmic (1) · Oral (9) · topical (2) · transdermal (1) · vaginal (1)

20–60 min (oral) (1) · 30-60 minutes (1) · 30-60 minutes (oral); 5 minutes (IV); 15-30 minutes (IM) (1) · Hours (4) · PO 1 hour; IV 10 minutes (1) · Symptom relief within 30 minutes (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

Other values:

Search

12-15 hours (intermediate); '''no active metabolites''' (key clinical feature)'"`UNIQ--ref-00000029-QINU`"' (1) · 2–3 h (parent compound) (1) · 3-4 hours (similar between PO and IV due to high oral bioavailability)'"`UNIQ--ref-00000B46-QINU`"' (1) · 8-16 hours'"`UNIQ--ref-0000001E-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) · ~7-10 hours (variable; longer in renal impairment)'"`UNIQ--ref-00000FB4-QINU`"' (1)

90% (oral; food delays but does not reduce absorption)'"`UNIQ--ref-000004F3-QINU`"' (1) · High (oral)'"`UNIQ--ref-00000FB5-QINU`"' (1) · ~30% (high first-pass) (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-0000002A-QINU`"' (1) · ~90% (oral)'"`UNIQ--ref-00001443-QINU`"' (1) · ~95% (oral)'"`UNIQ--ref-0000001F-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) · Limited data; not first-line in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Limited human data; older agent with substantial use experience.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Pregnancy categories were retired by FDA in 2015. Limited reproductive data with small observational signal for cardiac malformations; risk-benefit decision, with many patients deferring ADHD treatment during pregnancy. See pregnancy_details for the full discussion. (1) · Some signal for cleft lip/palate with first-trimester exposure (debated); neonatal sedation and withdrawal with third-trimester exposure.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

OTC (lower doses) and [[USLegal:Prescription only|Rx-only]] (higher doses) in US (1) · OTC (ophthalmic ointment) and [[USLegal:Prescription only|Rx-only]] (other forms) in US (1) · Schedule II (1) · [[USLegal:Prescription only|Rx-only]] in US (4) · [[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) · [[USLegal:Schedule IV|Schedule IV controlled substance]] in US. Carries the benzodiazepine class '''Boxed Warning''' for risk of fatal respiratory depression, coma, and death when combined with opioids'"`UNIQ--ref-0000002B-QINU`"' (1)