Drilldown: Medicines

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Medicines (732)

Medicines > duration

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or 24 hours (HS dosing)

or 6-8 hours

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Amitriptyline (hydrochloride) (1) · Bisoprolol (1) · Cephalexin (1) · Clindamycin (1) · Cyproheptadine (hydrochloride) (1) · Doxepin (hydrochloride) (1) · Erythromycin (1) · Lorazepam (1) · Memantine ER / Donepezil (1) · Mirtazapine (1) · Nebivolol (1) · Nortriptyline (hydrochloride) (1) · Penicillin V (phenoxymethylpenicillin) (1) · Phenazopyridine (1) · Torsemide (1)

Ativan (oral, injectable), Loreev XR (1) · Bystolic (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) · Elavil (US brand discontinued; generic widely available), Endep, Tryptizol (1) · Keflex, Daxbia, Panixine; mostly prescribed generically (1) · Namzaric (1) · Pamelor (US brand discontinued; generic widely available), Aventyl (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) · Remeron (US brand discontinued; generic widely available), Remeron SolTab (ODT) (1) · Sinequan (oral antidepressant, US brand discontinued), Silenor (low-dose for insomnia), Prudoxin / Zonalon (topical cream) (1) · Zebeta (1)

None (9) · Donepezil: reversible AChE inhibitor, increases synaptic acetylcholine. Memantine: uncompetitive low-affinity NMDA receptor antagonist, dampens pathological glutamate overactivation while preserving normal synaptic signaling. Targets two distinct mechanisms in Alzheimer's. (1) · Highly β1-selective adrenergic antagonist. Greater selectivity than metoprolol or atenolol. (1) · The d-enantiomer is a highly β1-selective antagonist; the l-enantiomer triggers endothelial nitric-oxide–mediated vasodilation. Unique among beta blockers for this NO mechanism. (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-00000019-QINU`"' Therapeutic plasma-level monitoring is standard practice for TCAs given the narrow therapeutic index and the established plasma-level-efficacy correlation. CYP2D6 substrate; CPIC PGx guidance applies for dose individualization'"`UNIQ--ref-0000001A-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)

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) · 15 mg PO at bedtime, titrate to 30-45 mg/day after 1-2 weeks. '''Counterintuitive dose paradox''': lower doses (7.5-15 mg) are more sedating than higher doses because H1 antihistamine effect dominates at low dose (1) · 2.5–5 mg daily (HTN); 1.25 mg daily (HFrEF, slow titration) (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) · 5 mg daily (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) · Depression (rarely used now): 25-75 mg PO at bedtime, titrate to 150 mg/day. Neuropathic pain / migraine prophylaxis: 10-25 mg at bedtime, titrate by 10-25 mg weekly to 50-100 mg/day. Elderly: 10 mg at bedtime (Beers-list cautions apply) (1) · Depression: 25 mg PO TID-QID or 75 mg at bedtime, titrate to 75-150 mg/day. Neuropathic pain: 10-25 mg at bedtime, titrate to 50-100 mg/day. Elderly: 10 mg at bedtime (Beers-list cautions, though less than amitriptyline) (1) · Depression: 25-75 mg/day to start, titrate to 75-150 mg/day at bedtime. Insomnia (Silenor): 3 mg PO 30 minutes before bedtime, max 6 mg. Topical (Prudoxin): apply to affected area every 3-4 hours (1) · For patients already stable on memantine 28 mg/d + donepezil 10 mg/d, switch to one capsule daily of equivalent strength (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)

2.5, 5, 10, 20 mg tabs (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 mg tabs (1) · 5, 10, 20, 100 mg tablets; 10 mg/mL IV (1) · 7/10, 14/10, 21/10, 28/10 mg ER capsules (memantine ER / donepezil) (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) · Capsules 10, 25, 50, 75 mg; oral solution 10 mg/5 mL (1) · Capsules 10, 25, 50, 75, 100, 150 mg; oral concentrate 10 mg/mL; Silenor tablets 3, 6 mg; topical cream 5% (Prudoxin, Zonalon) (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 10, 25, 50, 75, 100, 150 mg (1) · Tablets 4 mg; oral syrup 2 mg/5 mL (1) · Tablets 7.5, 15, 30, 45 mg; orally disintegrating tablets (SolTab) 15, 30, 45 mg (1)

10 mg/day (anxiety, oral) (1) · 150 mg/day; therapeutic plasma-level monitoring recommended (target 50-150 ng/mL window) (1) · 2 g/d typical (1) · 20 mg/d (1) · 200 mg/d typical practical ceiling (1) · 28/10 mg/d (1) · 300 mg/day (depression, hospitalized); 150 mg/day outpatient; 6 mg/day for insomnia (1) · 300 mg/day (historical hospitalized inpatient depression); 150 mg/day outpatient typical 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) · 40 mg/d (1) · 45 mg/day (1) · Limit to 48 hours of use to avoid hemolysis and methemoglobinemia (1)

IM (1) · intramuscular (1) · intravenous (1) · IV (3) · ophthalmic (1) · Oral (14) · Oral (capsule whole or opened/sprinkled on applesauce) (1) · topical (3) · vaginal (1)

1–2 h (2) · 30-60 minutes (1) · 30-60 minutes (oral); 5 minutes (IV); 15-30 minutes (IM) (1) · Component effects accumulate over weeks (1) · Hours (4) · Pain and migraine prophylaxis effect 1-4 weeks; antidepressant effect 4-6 weeks (1) · PO 1 hour; IV 10 minutes (1) · Sleep effect from first dose; analgesic and migraine-prophylaxis effect 1-4 weeks; antidepressant effect 4-6 weeks (1) · Sleep effect from first dose; antidepressant effect over 1-4 weeks (2) · Symptom relief within 30 minutes (1)

12-15 hours (intermediate); '''no active metabolites''' (key clinical feature)'"`UNIQ--ref-00000023-QINU`"' (1) · 18-44 hours'"`UNIQ--ref-00000020-QINU`"' (1) · 20-40 hours'"`UNIQ--ref-00000023-QINU`"' (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) · 9–12 h (1) · Amitriptyline 10-50 hours (highly variable); nortriptyline active metabolite 18-44 hours'"`UNIQ--ref-00000026-QINU`"' (1) · ~1 hour'"`UNIQ--ref-000004F2-QINU`"' (1) · ~1.5-2 hours'"`UNIQ--ref-00000D3E-QINU`"' (1) · ~10 h (CYP2D6 extensive metabolizers); up to 31 h (poor metabolizers) (1) · ~15 hours (parent); nordoxepin active metabolite ~30 hours'"`UNIQ--ref-00000020-QINU`"' (1) · ~2.5-3 hours'"`UNIQ--ref-00001442-QINU`"' (1) · ~30-60 minutes'"`UNIQ--ref-00000E76-QINU`"' (1) · ~60–80 h (memantine); ~70 h (donepezil) (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) · ~100% both components (1) · ~12% (extensive metabolizers); ~96% (poor metabolizers) (1) · ~30% (oral)'"`UNIQ--ref-00000021-QINU`"' (1) · ~30-65% (oral; acid-labile, hence enteric-coated formulations; food affects absorption variably)'"`UNIQ--ref-00000D3F-QINU`"' (1) · ~50% (oral)'"`UNIQ--ref-00000021-QINU`"' (1) · ~50% (oral)'"`UNIQ--ref-00000027-QINU`"' (1) · ~50% (oral; substantial first-pass)'"`UNIQ--ref-00000024-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% (low first-pass) (1) · ~90% (oral)'"`UNIQ--ref-00000024-QINU`"' (1) · ~90% (oral)'"`UNIQ--ref-00001443-QINU`"' (1) · ~95% (oral)'"`UNIQ--ref-0000001F-QINU`"' (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) · Rx-only in US (3) · [[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:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000022-QINU`"' (2) · [[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000025-QINU`"' (1) · [[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000028-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-00000025-QINU`"' (1)

Showing below up to 15 results in range #1 to #15.

A

Amitriptyline

B

Bisoprolol

C

M

N

P

T

Torsemide