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Research material (131) · Classic Psychedelic (69) · Stimulant (43) · Opioid (31) · Sedative-hypnotic (29) · Tryptamine (26) · Phenethylamine (25) · Botanical (23) · Benzodiazepine (22) · Anticonvulsant (19) · Dissociative (19) · Analgesic (17) · Antidepressant (17) · Antipsychotic (17) · Antiparkinsonian (16) · Empathogen (16) · Neuroleptic (16) · Cathinone (14) · Nootropic (13) · Lysergamide (12)

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5-HT2A agonist (27) · GABAA positive allosteric modulator (22) · None (21) · Monoamine releasing agent (11) · CB1/CB2 agonist (7) · Potent mu-opioid receptor agonist (6) · Sodium channel blocker (6) · Dopamine/norepinephrine reuptake inhibitor (5) · GABAA potentiator; NMDA antagonist (5) · Phenothiazine D2 antagonist (5) · Potent 5-HT2A agonist (5) · 5-HT1B/1D agonist (4) · LSD analogue; 5-HT2A agonist (4) · Mu-opioid receptor agonist (4) · Muscarinic receptor antagonist (4) · Prodrug of LSD; 5-HT2A agonist (4) · Selective norepinephrine reuptake inhibitor (4)

None (398) · 500 mg PO TID × 7-10 days (most indications); 2 g single dose for trichomoniasis; 500 mg IV q8h for severe anaerobic infection; rectal 1 g BID (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) · Anxiety: 25-50 mg PO QID. Pruritus: 25 mg PO TID-QID. Insomnia: 25-50 mg PO at bedtime. Pediatric: 50-100 mg/day divided (1) · HRT cyclic: 200 mg PO HS days 1-12 of each month; continuous: 100 mg PO daily; ART luteal support 100 mg vaginal TID or 90 mg gel daily (1) · IR oral: 15-30 mg every 4 hours as needed. ER opioid-naive: 15-30 mg every 12 hours. IV/IM/SC: 2-10 mg every 3-4 hours. Epidural / intrathecal: see surgical or palliative-care protocols (1) · Oral 1-2 mg daily; transdermal patch 0.025-0.05 mg/d twice weekly; transdermal gel 0.5-1 g/d; vaginal 10 mcg tablet twice weekly for GSM. Always combine with a progestogen in patients with an intact uterus. (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) · Oral: 1500 mg PO QID for 2-3 days (load), then 750-1500 mg QID maintenance. IV/IM: 1000 mg every 8 hours for acute spasm (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) · Rheumatologic: 7.5-15 mg PO or SC '''once weekly''' (not daily — daily dosing is a recognized fatal error); folic acid 1 mg PO daily on non-MTX days; oncology dosing is far higher and indication-specific (1) · Topical 0.025-0.5% cream/ointment BID; intra-articular 5-40 mg per joint q3-6 months; intranasal Nasacort 110 mcg/spray, 2 sprays/nostril daily; oral paste 0.1% to lesion 2-3×/d (1) · Topical: 1% cream BID × 2-4 weeks; vaginal: 1% or 2% cream nightly × 7 days, or 100/200/500 mg vaginal tablet single or 3-day regimens; troche: 10 mg PO five times daily × 2 weeks for thrush (1)

None (398) · 1% topical cream, lotion, solution; 1%, 2% vaginal cream; 100, 200, 500 mg vaginal tablets; 10 mg oral troches; combination with betamethasone (Lotrisone, Rx) (1) · 100,000 units/mL oral suspension; 500,000 unit tablets; 100,000 units/g cream, ointment, powder; vaginal tablets (1) · 2.5 mg tablets; 10-50 mg/mL injection; pre-filled subcutaneous autoinjectors (Otrexup, Rasuvo); 2.5 mg/mL oral solution (Xatmep) (1) · 250, 500 mg tablets; 750 mg ER; 500 mg/100 mL IV; 0.75-1% topical gel/cream; 0.75% vaginal gel; suppository (1) · 75, 150, 300 mg capsules; 75 mg/5 mL solution; 150 mg/mL IV; 1% topical; 2% vaginal cream (1) · IR tablets 15, 30 mg; oral solution 10 mg/5 mL, 20 mg/mL, 100 mg/5 mL (concentrated); suppositories; ER tablets and capsules in multiple strengths; injectable 0.5-50 mg/mL (1) · Oral 0.5, 1, 2 mg tablets; transdermal patches (twice-weekly and once-weekly); 0.06% gel; 1.53 mg/spray topical; vaginal ring (Estring); vaginal tablet (Vagifem/Yuvafem); vaginal cream (1) · Oral 100, 200 mg capsules (peanut oil; check allergy); 100 mg vaginal insert (Endometrin); 4%, 8% vaginal gel (Crinone); IM 50 mg/mL (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 mg (HCl); capsules 25, 50, 100 mg (pamoate); oral suspension 25 mg/5 mL; injection 25, 50 mg/mL (IM only, never IV) (1) · Tablets 500, 750 mg; injection 100 mg/mL (1) · Topical creams, ointments, lotions, dental paste (0.025-0.5%); Kenalog 10 mg/mL, 40 mg/mL injection; Nasacort 55 mcg/spray intranasal; oral inhaler discontinued in US (1)

None (398) · 10 mg/day (anxiety, oral) (1) · 4.8 g/d (IV severe infection) (1) · 400 mg/day theoretical; in practice rarely exceeds 200 mg/day (1) · 8 g/day (oral, short-term load); 6 g/day (chronic) (1) · Indication-dependent; 200-400 mg/d oral typical (1) · Indication-specific (2) · Indication-specific; lowest effective dose for shortest duration is the WHI-era standard (1) · No fixed ceiling; titrate to clinical effect and tolerability with CDC opioid prescribing guidance constraints on morphine-milligram-equivalent (MME) totals (1) · Rheumatologic ~25 mg/week; oncology indication-specific (1) · Topical: BID; troche: 5×/day (1) · ~4 g/d (severe systemic infection) (1)

None (398) · 15-30 minutes (oral) (1) · 30-60 minutes (oral); 5 minutes (IV); 15-30 minutes (IM) (1) · 5-10 minutes (IV); 30 minutes (oral IR); slower for ER and rectal (1) · Days (1) · Hours (2) · Rheumatologic effect at 4-8 weeks; ectopic resolution over 2-3 weeks (1) · Sedation/dizziness within hours of oral dose; endometrial effects over days (1) · Symptom relief within days (1) · Topical hours; intra-articular days to weeks (1) · Vasomotor relief 2-4 weeks; bone density gains over months (1) · ~30 minutes (oral) (1)

None (397) · 3-5 hours (IR); 8-24 hours (ER); 12-24 hours (epidural / intrathecal) (1) · 4-6 hours (2) · 6-8 hours (2) · 8-12 hours (1) · About 20 minutes (1) · Hours per application (2) · Intra-articular 3-6 months (depot effect of acetonide microcrystals) (1) · Once-weekly dosing in rheumatology (1) · Oral: 8-12 hours; vaginal: 24+ hours; IM: days (1) · Route- and formulation-dependent (1)

None (397) · 1-2 hours'"`UNIQ--ref-00000017-QINU`"' (1) · 12-15 hours (intermediate); '''no active metabolites''' (key clinical feature)'"`UNIQ--ref-00000023-QINU`"' (1) · 14-25 hours (longer in elderly and hepatic impairment)'"`UNIQ--ref-00000026-QINU`"' (1) · 3-10 hours (low dose); 8-15 hours (high dose); much longer in third-space accumulation (pleural effusion, ascites)'"`UNIQ--ref-000007C8-QINU`"' (1) · 6-8 hours'"`UNIQ--ref-00000BEB-QINU`"' (1) · 9–12 minutes (intravenous) (1) · Morphine 2-4 hours; morphine-6-glucuronide active metabolite 2-4 hours (longer with renal impairment)'"`UNIQ--ref-00000020-QINU`"' (1) · Not meaningfully described (minimal systemic absorption from topical use)'"`UNIQ--ref-00000F45-QINU`"' (1) · Not meaningfully described (not systemically absorbed)'"`UNIQ--ref-00000D17-QINU`"' (1) · Plasma ~3-5 hours; biologic effect substantially longer (~12-36 hours for intermediate-acting glucocorticoids)'"`UNIQ--ref-00000666-QINU`"' (1) · ~13-20 hours (oral); transdermal pharmacokinetics buffer the peaks/troughs of oral dosing'"`UNIQ--ref-000003BA-QINU`"' (1) · ~2.5-3 hours'"`UNIQ--ref-00001442-QINU`"' (1) · ~5-20 hours (oral micronized; highly variable)'"`UNIQ--ref-00000726-QINU`"' (1)

None (398) · 60-70% PO at low doses; saturable at high doses (parenteral routes preferred above 15-25 mg/week)'"`UNIQ--ref-000007C9-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) · Oral ~5% (extensive first-pass to estrone and conjugates); transdermal bypasses first-pass, giving more physiologic estradiol:estrone ratio'"`UNIQ--ref-000003BB-QINU`"' (1) · Oral: very low (extensive first-pass); micronization improves uptake somewhat. Vaginal: high local effect with lower systemic levels (first-uterine-pass concentration)'"`UNIQ--ref-00000727-QINU`"' (1) · Topical/intranasal: high local, low systemic; intra-articular: local depot then systemic absorption'"`UNIQ--ref-00000667-QINU`"' (1) · Topical: minimal systemic; troche: ~3% systemic'"`UNIQ--ref-00000F46-QINU`"' (1) · ~100% (oral; near-complete absorption)'"`UNIQ--ref-00000018-QINU`"' (1) · ~25-40% (oral; extensive first-pass)'"`UNIQ--ref-00000021-QINU`"' (1) · ~80% (oral)'"`UNIQ--ref-00000027-QINU`"' (1) · ~80% (oral)'"`UNIQ--ref-00000BEC-QINU`"' (1) · ~90% (oral)'"`UNIQ--ref-00000024-QINU`"' (1) · ~90% (oral)'"`UNIQ--ref-00001443-QINU`"' (1)

None (397) · OTC (lower strengths) and [[USLegal:Prescription only|Rx-only]] (combination with betamethasone) in US (1) · OTC (lowest-strength topicals) and [[USLegal:Prescription only|Rx-only]] (higher strengths, injectable) in US (1) · [[USLegal:DEA Schedule I|Schedule I]] (United States) (1) · [[USLegal:Prescription only|Rx-only]] in US (5) · [[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. Not a controlled substance, distinguishing it from carisoprodol which is Schedule IV'"`UNIQ--ref-00000019-QINU`"' (1) · [[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, which is a meaningful clinical advantage over the benzodiazepine alternatives for short-term anxiety'"`UNIQ--ref-00000028-QINU`"' (1) · [[USLegal:Schedule II|Schedule II controlled substance]] in US; WHO essential medicine'"`UNIQ--ref-00000022-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)

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