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Research material (132) · Classic Psychedelic (69) · Stimulant (43) · Sedative-hypnotic (30) · Opioid (29) · Tryptamine (26) · Phenethylamine (25) · Botanical (23) · Benzodiazepine (22) · Anticonvulsant (19) · Dissociative (19) · Antidepressant (17) · Antiparkinsonian (16) · Antipsychotic (16) · Empathogen (16) · Analgesic (15) · Neuroleptic (15) · Cathinone (14) · Plant Medicine (14) · Nootropic (13)

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5-HT2A agonist (27) · None (23) · GABAA positive allosteric modulator (22) · 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 (408) · 0.5–1 oz (10–30 g) ground for psychoactive effect; far smaller for culinary use (1) · 1-2 capsules (50 mg butalbital / 325 mg acetaminophen / 40 mg caffeine each) PO every 4 hours as needed; maximum 6 capsules/d (1) · 12.5 mg PO once or twice daily. Titrate gradually: 25-50 mg/day increments every 1-2 days as tolerated. Target dose 300-450 mg/day in divided doses (BID or TID). Most patients stabilize between 200-600 mg/day. Therapeutic plasma level guide: target trough clozapine ≥350 ng/mL. (1) · 15-37.5 mg PO once daily before breakfast or 1-2 hours after; Lomaira 8 mg TID (1) · 300 mg PO at bedtime night 1, 300 mg BID day 2, 300 mg TID day 3; titrate to clinical effect, commonly 1800-3600 mg/day divided TID (1) · 40 mg SC every other week (most adult indications); IBD induction 160 mg week 0, 80 mg week 2, then 40 mg every other week (1) · 500-750 mg PO BID; 400 mg IV q8-12h (1) · Allergy: 25 mg PO BID-QID. Nausea/vomiting: 12.5-25 mg PO/IM/IV/PR every 4-6 hours. Motion sickness: 25 mg PO 30-60 minutes before travel. '''Pediatric <2 years: contraindicated''' (1) · Modern clinical-trial standard: 25 mg synthesized psilocybin, single oral dose with psychological support (1) · No medical dose. Active recreational doses reported in the 0.5–1.5 mg range (similar potency to alprazolam). (1) · One cup (~40–60 mg caffeine; about half of brewed coffee) (1) · Schizophrenia / acute mania: 5-10 mg PO once daily, target 10-15 mg/day. Acute agitation IM: 10 mg, may repeat in 2 hours. Relprevv LAI: 150-300 mg every 4 weeks after oral overlap (1) · Schizophrenia/bipolar mania: 10-15 mg PO once daily, target 15-30 mg. MDD adjunct: 2-5 mg/day, target 5-15 mg. Pediatric autism irritability: 2 mg, titrate to 5-15 mg. Maintena LAI: 400 mg IM every 4 weeks after oral overlap (1) · Week 1: 1 tablet (8/90 mg) PO morning; week 2: 1 tablet AM + 1 PM; week 3: 2 AM + 1 PM; week 4 onward: 2 AM + 2 PM (32 mg naltrexone / 360 mg bupropion/d) (1)

None (392) · 15, 30, 37.5 mg capsules/tablets; 8 mg Lomaira (1) · 250, 500, 750 mg IR tablets; 500, 1000 mg ER tablets (XR); 250, 500 mg/5 mL oral suspension; 200, 400 mg IV; 0.3% ophthalmic solution and ointment; 0.2% otic (1) · 40 mg/0.4 mL or 40 mg/0.8 mL prefilled syringe and autoinjector pen; 10, 20, 80 mg pediatric/induction strengths (1) · 50/325/40 mg capsules and tablets; oral solution (1) · 8 mg naltrexone / 90 mg bupropion ER tablets (titration-pack design) (1) · A ''betel quid'': areca nut slice + betel leaf + slaked lime (calcium hydroxide) ± tobacco ± spices, chewed (1) · Acid/base extraction of fresh young grass for tryptamines; combined with an MAOI (1) · Bark/woody stem decocted with a DMT-source plant (''Psychotria viridis'', ''Diplopterys cabrerana'') to make ayahuasca (1) · Bright red seeds, traditionally ingested or smoked. Highly toxic, narrow margin between active and lethal (1) · Capsules 100, 300, 400 mg; tablets 600, 800 mg; oral solution 250 mg/5 mL; Gralise ER tablets 300, 600 mg (once-daily); Horizant ER tablets 300, 600 mg (gabapentin enacarbil, an inactive parent compound metabolized to gabapentin in vivo) (1) · Clozaril 25 mg and 100 mg tablets; FazaClo orally disintegrating tablets (12.5/25/100/150/200 mg); Versacloz oral suspension 50 mg/mL. All brands subject to identical REMS ANC monitoring requirements. Generic tablets widely available. (1) · Dried leaves and twigs, infused in a gourd (''mate'') and drunk through a metal straw (''bombilla'') (1) · Dried leaves, infused. Six major processings: white, green, yellow, oolong, black, pu-erh (1) · Fermented and roasted seeds, ground. Mexican tradition: drunk with chili, cornmeal, achiote. European tradition: with sugar and milk (1) · Flowers or leaves infused or smoked. Highly variable potency; narrow toxic margin (1) · Fresh nuts chewed; also dried and powdered (1) · Ground dried seed (nutmeg) or fruit aril (mace); occasionally infused (1) · Illicit tablets ("bars"), powders, blotter, occasionally solutions. No pharmaceutical product exists. (1) · Leaves and seeds, traditionally smoked or infused. Possibly the original Pythia oracle plant (1) · Oral tablets 50 mg (ReVia, Depade, generics); Vivitrol extended-release IM suspension 380 mg single-dose vial; Contrave (naltrexone 8 mg + bupropion 90 mg ER tablets); compounded 1, 2, 3, 4.5 mg tablets/capsules for LDN (1) · Roasted seeds ground to powder, mixed with water; commercial syrups and energy drinks (1) · Root bark acid/base-extracted for DMT; or as the resurrected ''jurema preta'' brew (decocted with an MAOI such as ''Peganum harmala'') (1) · Root, traditionally carved into ''mannikens'' or infused into wine (1) · Synthesized psilocybin capsules (COMP360 and other investigational formulations); dried whole [[Psilocybe|Psilocybe]] mushrooms (variable potency, no legal supply chain in most jurisdictions); psilocybin truffles (Psilocybe sclerotia, legal in the Netherlands) (1) · Tablets 12.5, 25, 50 mg; oral syrup 6.25 mg/5 mL; suppositories 12.5, 25, 50 mg; injection 25 mg/mL and 50 mg/mL (1) · Tablets 2, 5, 10, 15, 20, 30 mg; ODT 10, 15 mg; oral solution 1 mg/mL; acute IM injection 9.75 mg/1.3 mL; Maintena LAI 300, 400 mg monthly; Aristada LAI 441, 662, 882, 1064 mg (4-8 week dosing); Asimtufii bi-monthly (1) · Tablets 2.5, 5, 7.5, 10, 15, 20 mg; ODT (Zydis) 5, 10, 15, 20 mg; acute IM injection 10 mg/vial; Relprevv LAI 210, 300, 405 mg vials (1) · Tablets 5, 10, 40 mg (40 mg dispersible restricted to OTPs); oral concentrate 10 mg/mL; oral solution 1, 2, 10 mg/mL; injection 10 mg/mL (1) · Tablets: 100 mg, 200 mg (scored). [[Armodafinil]] (Nuvigil), the R-enantiomer of modafinil, is available separately as 50 mg, 150 mg, 200 mg, and 250 mg tablets. (1) · Toasted leaves and twigs decocted to a near-black concentrate (1)

None (406) · 100 mg/day (adult) (1) · 20 mg/day (oral) (1) · 30 mg/day (adult schizophrenia); 15 mg/day (MDD adjunct) (1) · 32 mg naltrexone / 360 mg bupropion per day (1) · 3600 mg/day; off-label doses higher are common but bioavailability saturates well below this (1) · 37.5 mg/d (1) · 40 mg every week (selected indications); otherwise 40 mg every other week (1) · 400 mg/day.'"`UNIQ--ref-0000006C-QINU`"' (1) · 50 mg/day oral; 380 mg/4 weeks IM (Vivitrol); 32 mg + 360 mg naltrexone/bupropion daily (Contrave maximum after titration) (1) · 6 capsules/d (300 mg butalbital, 1950 mg acetaminophen, 240 mg caffeine) (1) · 900 mg/day (split into BID or TID dosing). Clinical practice rarely exceeds 600 mg/day; seizure risk increases substantially above 600 mg/day and requires consideration of prophylactic anticonvulsant.'"`UNIQ--ref-0000004A-QINU`"' (1) · MOUD: typical effective max 24 mg/day sublingual (doses above offer limited additional mu-occupancy due to ceiling). Pain (Belbuca): 900 mcg every 12 hours. (1) · N/A (never approved) (1) · No formal hard ceiling; in MOUD maintenance, doses typically remain at or below 120 mg/day with higher doses reserved for documented under-treatment after careful clinical assessment (1) · Not FDA-approved; clinical-trial protocols use up to 30 mg in adult investigational dosing (1) · ~1500 mg/d (oral); 1200 mg/d (IV) (1)

None (391) · buccal (Belbuca for pain) (1) · IM (2) · inhalation (2) · intramuscular (acute and long-acting) (2) · intramuscular (depot) (1) · intranasal; rectal and IV reported. (1) · IV (2) · IV (with caution) (1) · IV/IM (Buprenex). Oral swallowed: very low bioavailability due to first-pass; not therapeutic. (1) · Oral (24) · Oral (buccal) (1) · Oral (primary) (1) · Oral (with MAOI) (2) · Oral only. No parenteral formulation (a major limitation in acute agitation requiring rapid tranquilization). (1) · otic (1) · rectal (1) · SC (1) · SC depot (Sublocade) (1) · smoked (extracted DMT) (1) · Subcutaneous (1) · sublingual (1) · Sublingual (primary for MOUD) (1) · sublingual; rectal off-label (1) · topical ophthalmic (1) · transdermal (Butrans) (1)

None (404) · 1-2 weeks for neuropathic pain and anxiolytic effect; anticonvulsant effect at therapeutic plasma level (1) · 15–30 min (1) · 20 minutes (oral); 5 minutes (IV) (1) · 20-45 min subjective onset; psilocin formation from psilocybin requires intestinal and hepatic alkaline phosphatase (1) · 30-60 minutes (1) · Appetite suppression within hours; weight loss over weeks-months (1) · Hours (1) · Modest appetite suppression within weeks; weight loss over months (1) · Neuroleptic effect emerges over days to weeks; activation symptoms (akathisia, insomnia) often within days (1) · Oral analgesic effect 30-60 minutes; opioid-withdrawal suppression 30 minutes (oral); IV ~10 minutes (1) · Oral peak plasma 1 hour; therapeutic opioid blockade within hours of first dose. IM Vivitrol: peak plasma 2-3 days; therapeutic blockade through the dosing interval. (1) · Oral peak plasma 2.5 hours. Clinical antipsychotic response typically emerges over weeks with continued titration; full response assessment requires 3-6 months at adequate therapeutic levels. (1) · Peak plasma concentration in 2-4 hours after oral administration. Clinically perceptible wakefulness-promoting effects typically begin within 1-2 hours of dosing.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Sedation from first dose; neuroleptic effect emerges over days to weeks (1) · Slow, 2–6 h (1) · Sublingual analgesic effect 30-60 minutes; MOUD craving suppression within hours; Butrans patch steady-state in 3 days. (1) · Symptomatic effect within weeks; full response by 12-24 weeks (1) · ~20–40 min PO; faster sublingual/intranasal. (1)

None (404) · 12 hours (BID dosing required) (1) · 12–24 h or longer (1) · 2 weeks per dose (1) · 24 hours (oral); 2-4 weeks (LAI) (1) · 24 hours (oral); 4-8 weeks (LAI) (1) · 3–4 h (1) · 4-6 hours (3) · 6–10 h subjective; full pharmacologic effect considerably longer. (1) · 8-12 hours (1) · Analgesic effect 4-8 hours (much shorter than half-life would suggest, due to receptor kinetics); MOUD effect (opioid withdrawal suppression) 24-36 hours per single daily dose (1) · Due to the half-life of 12 hours (wide range), dosing is BID or TID. Once-daily dosing produces higher peak/trough fluctuations and is generally not used except for a single end-of-day dose in stable patients. (1) · Effective duration approximately 12-15 hours at the 200 mg dose, consistent with the elimination half-life. A single morning dose generally sustains wakefulness throughout the day without substantially disrupting nighttime sleep onset when taken early.'"`UNIQ--ref-0000006D-QINU`"' (1) · MOUD: 24-72 hours per sublingual dose (long; permits every-other-day or three-times-weekly dosing in stable patients); Butrans patch: 7 days; Sublocade depot: 28+ days; Buprenex IV/IM: 6-8 hours. (1) · Oral mu-blockade clinically meaningful for 24-72 hours; IM Vivitrol blockade through 4 weeks. (1) · TID dosing for IR; once-daily for ER formulations (1) · ~12-14 hours (1)

None (408) · 12-15 hours'"`UNIQ--ref-00000022-QINU`"' (1) · 21-54 hours'"`UNIQ--ref-00000026-QINU`"' (1) · 4 hours'"`UNIQ--ref-00000938-QINU`"' (1) · 5-7 hours'"`UNIQ--ref-00000029-QINU`"' (1) · Buprenorphine sublingual: 24-42 hours (long, contributes to extended dosing intervals). Norbuprenorphine (active metabolite, weaker mu-agonist): 24-48 hours.'"`UNIQ--ref-0000004F-QINU`"' (1) · Butalbital ~35 hours (long; cumulative effects with frequent use); acetaminophen 1-3 hours; caffeine 3-7 hours'"`UNIQ--ref-0000159F-QINU`"' (1) · Estimated ~12–17 h (some sources cite up to ~21 h); active metabolites prolong effect. (1) · Naltrexone parent ~4 hours (oral); 6-beta-naltrexol (active metabolite) ~13 hours. Vivitrol depot terminal half-life 5-10 days with sustained release from microspheres maintaining blockade for the 4-week dosing interval.'"`UNIQ--ref-0000004F-QINU`"' (1) · Naltrexone ~4 hours (6β-naltrexol metabolite ~13 hours); bupropion ~21 hours'"`UNIQ--ref-00001568-QINU`"' (1) · Psilocin: ~2-3 h; psilocybin itself is a prodrug, dephosphorylated within minutes of absorption (1) · ~14 days'"`UNIQ--ref-00001103-QINU`"' (1) · ~25 hours'"`UNIQ--ref-0000129F-QINU`"' (1) · ~5 h (caffeine) (1) · ~75 hours (long, accumulates over weeks)'"`UNIQ--ref-00000023-QINU`"' (1)

None (406) · '''Saturable''' via the LAT-1 amino-acid transporter, producing nonlinear pharmacokinetics: ~60% at 300 mg single dose, falling to ~35% at 1200 mg single dose'"`UNIQ--ref-0000002A-QINU`"' (1) · Approximately 50-60% (oral; subject to first-pass metabolism); food does not significantly affect absorption.'"`UNIQ--ref-0000004C-QINU`"' (1) · Butalbital well-absorbed; caffeine ~100%; acetaminophen 85-98%'"`UNIQ--ref-000015A0-QINU`"' (1) · High (oral)'"`UNIQ--ref-000012A0-QINU`"' (1) · Naltrexone ~5% (oral, extensive first-pass to 6β-naltrexol); bupropion ER ~87%'"`UNIQ--ref-00001569-QINU`"' (1) · Not formally characterized in humans. (1) · Oral bioavailability is not precisely established in the label but absorption is rapid and essentially complete. Food delays peak plasma concentration by approximately one hour but does not reduce the extent of absorption.'"`UNIQ--ref-0000006F-QINU`"' (1) · Oral bioavailability of psilocin from administered psilocybin approximately 50% (1) · ~25% (oral, with extensive first-pass)'"`UNIQ--ref-00000023-QINU`"' (1) · ~30% (sublingual; the primary therapeutic route); ~10-20% (oral swallowed, low due to first-pass); ~50% (buccal Belbuca); transdermal Butrans bypasses first-pass.'"`UNIQ--ref-00000050-QINU`"' (1) · ~5-40% (oral, highly variable due to extensive first-pass metabolism; mean ~5-10% for parent naltrexone with the majority of pharmacologic effect coming from 6-beta-naltrexol). IM Vivitrol bypasses first-pass entirely.'"`UNIQ--ref-00000050-QINU`"' (1) · ~60% (oral); ~100% (IM)'"`UNIQ--ref-00000027-QINU`"' (1) · ~64% from SC depot'"`UNIQ--ref-00001104-QINU`"' (1) · ~70% (oral; reduced by divalent cations — antacids, iron, calcium, dairy)'"`UNIQ--ref-00000939-QINU`"' (1) · ~70-85% (oral, high relative to other opioids) (1) · ~87% (oral)'"`UNIQ--ref-00000024-QINU`"' (1)

None (412) · '''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity; class-wide concern); use only when benefit clearly outweighs.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Avoid. Benzodiazepines are associated with neonatal sedation, floppy-infant syndrome, and withdrawal; teratogenic signal weak but non-zero. Designer benzo with no safety data, assume worst-case. (1) · Contraindicated in pregnancy (FDA label).[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Contraindicated in pregnancy.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Generally avoided; barbiturate exposure in late pregnancy can produce neonatal withdrawal and respiratory depression.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Limited human data; signal for neonatal extrapyramidal symptoms and withdrawal with third-trimester exposure.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Limited human data; some signal for cardiac malformations and developmental delay but confounded by maternal disease and polytherapy.[[[Pharmacopedia:Citation needed|citation needed]]] (1) · Not studied in human pregnancy; no approved clinical use in any population (1) · Older agent with substantial use experience, including in hyperemesis gravidarum; broadly reassuring observational data'"`UNIQ--ref-00000024-QINU`"' (1) · Signal for gestational diabetes and metabolic syndrome with maternal exposure; the metabolic load can be substantial during pregnancy.[[[Pharmacopedia:Citation needed|citation needed]]] (1)

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