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Choose a table:
Medicines (732)
Medicines
> onset:
10-30 minutes (IR)
&
legal:
[[USLegal:Schedule II|Schedule II controlled substance]] in US'"`UNIQ--ref-0000001F-QINU`"'
Use the filters below to narrow your results.
generic:
Oxycodone (hydrochloride) (1)
brand:
OxyContin (ER), Roxicodone (IR), Oxaydo (IR abuse-deterrent), Xtampza ER (abuse-deterrent ER) (1)
classes:
[[:Category:Analgesics|Analgesic]] (1)
·
[[:Category:Opioid analgesics|Opioid analgesic (semi-synthetic)]] (1)
·
[[:Category:Schedule II controlled substances|Schedule II controlled substance]] (1)
mechanism:
None
(1)
uses:
'"`UNIQ--vote-00000019-QINU`"', '"`UNIQ--vote-0000001A-QINU`"', '"`UNIQ--vote-0000001B-QINU`"', '"`UNIQ--vote-0000001C-QINU`"' (1)
starting dose:
IR opioid-naive: 5-10 mg PO every 4-6 hours as needed. ER opioid-naive: '''10 mg PO every 12 hours (lowest available)'''; titrate slowly to clinical effect (1)
preparations:
IR tablets 5, 7.5, 10, 15, 20, 30 mg; IR oral solution 5 mg/5 mL; concentrated solution 20 mg/mL; OxyContin ER tablets 10, 15, 20, 30, 40, 60, 80 mg; Xtampza ER capsules (1)
fda max:
No fixed ceiling; titrate to clinical effect and tolerability with CDC opioid prescribing guidance constraints on morphine-milligram-equivalent (MME) totals (1)
routes:
Oral (1)
onset:
(Click arrow to add another value)
None
·
Hours
·
30-60 minutes
·
1-2 hours
·
~30 min
·
LDL lowering at 2 weeks, max by 4 weeks
·
~1 hour
·
15-30 minutes
·
15–30 min
·
1–2 h
·
30–60 min
·
Antidepressant effect emerges over 1-2 weeks
·
BP and symptomatic LUTS improvement within 1-2 weeks
·
BP effect within 1-2 weeks
·
Clinical improvement within 24-72 hours
·
Days
·
Motor improvement over days at therapeutic dose
·
Over weeks
·
Postprandial glucose effect within days; HbA1c by 12 weeks
·
Sleep effect from first dose; antidepressant effect over 1-4 weeks
Other values:
'''Anxiolytic effect emerges over 2-4 weeks'''; buspirone does NOT work for acute anxiety, which is the central teaching point and the most common cause of treatment failure
1 hour PO; minutes IV
1-2 hours (oral)
1-2 hours (slower than immediate-release amphetamine because activation requires enzymatic cleavage in red blood cells)
1-2 hours PO
1-2 hours for migraine relief
1-2 weeks for antidepressant effect; smoking-cessation effect builds over the first 1-2 weeks
1-2 weeks for neuropathic pain and anxiolytic effect; anticonvulsant effect at therapeutic plasma level
1-3 days
1-3 hours (slower onset than cetirizine; symptom relief somewhat less)
10 minutes (SC); 15-30 minutes (nasal); 30-60 minutes (oral)
10-30 minutes
10-30 minutes (IR)
15 minutes
15-20 minutes
15-30 minutes (oral)
15-30 minutes (oral); 1-2 minutes (IV)
15-60 minutes (oral); 1-5 minutes (IV); 4-10 minutes (rectal or intranasal)
15–30 min (fasting)
1–2 h (PO), immediate (IV)
1–2 h (PO); immediate (IV)
1–2 weeks for muscle effects; preventive migraine benefit accrues over 12-week cycles
2-3 hours per dose; full acid suppression after 3-5 days
20 minutes (oral); 5 minutes (IV)
20-45 min subjective onset; psilocin formation from psilocybin requires intestinal and hepatic alkaline phosphatase
20-60 minutes
20–60 min (oral)
30 min
30 minutes
30 minutes (IM); 30-60 minutes (oral)
30 minutes PO; minutes IV
30 minutes for migraine relief
30-60 min (IR oral); 2-3 days to steady state (transdermal patch)
30-60 min (immediate-release); 1-2 h (extended-release)
30-60 min (sedation); days to weeks (neuroleptic effect)
30-60 minutes (IR)
30-60 minutes (PO)
30-60 minutes (immediate-release oral)
30-60 minutes (oral)
30-60 minutes (oral); 5 minutes (IV); 15-30 minutes (IM)
30-60 minutes (oral); rapid relief in acute gout
30-60 minutes (oral); slower for topical
30–60 min (PO)
30–60 min (SL)
30–60 minutes
30–90 min
4-6 weeks for full antidepressant effect (claimed earlier onset for some patients due to 5HT1A partial agonism)
45-75 min (oral)
5-10 minutes (IV); 30 minutes (oral IR); slower for ER and rectal
<1 minute (IV); 1-2 minutes (infiltration); 30+ minutes (patch on adult skin, faster on thinner pediatric skin)
ADHD effect emerges over 1-2 weeks (slower than psychostimulants); full effect 4-6 weeks
ADHD symptom improvement reported within 1-2 weeks (faster than atomoxetine which takes 4-6 weeks)
AF conversion within hours of single PO dose
Acid suppression within hours; full effect after 3-5 days of dosing
Acute: minutes (IV); chronic: bone effect over months
Amyloid PET clearance within months; cognitive benefit over 18 months
Analgesia within 30 minutes; full anti-inflammatory effect over days
Analgesia within hours; anti-inflammatory effect over days
Analgesic effect within hours; full anti-inflammatory effect over 1-2 weeks
Anti-inflammatory effect within 24 hours of gout flare onset; loses effectiveness if delayed
Anticoagulant effect at 24-72 hours; full INR effect 5-7 days
Anticonvulsant effect emerges with slow titration over weeks; tremor effect over weeks
Anticonvulsant effect within days at therapeutic level; migraine prophylaxis effect emerges over 2-3 months
Anticonvulsant effect within days at therapeutic plasma level
Anticonvulsant effect within days at therapeutic plasma level; rapid titration possible
Anticonvulsant effect within days; mood-stabilizing effect 1-3 weeks
Anticonvulsant effect within days; trigeminal neuralgia relief 24-72 hours; mood-stabilizing effect over weeks
Antidepressant effect emerges over 1-2 weeks; full clinical effect 4-6 weeks
Antidepressant effect over 1-2 weeks; anxiolytic effect over 4-6 weeks
Antidepressant effect over 1-2 weeks; full clinical effect 4-6 weeks
Antidepressant effect within hours of infusion start; sustained at 30 days
Antiepileptic effect within days at therapeutic level; mood-stabilizing effect emerges over weeks
Antihypertensive effect within 1 week; heart-failure mortality benefit accrues over months of titration
Antimanic effects begin within 5-7 days of reaching therapeutic serum levels, with full response often requiring 2-3 weeks. For acute mania, a neuroleptic is typically added for rapid sedation while lithium takes effect.'"`UNIQ--ref-00000053-QINU`"'
Antiplatelet effect within 2 hours of a loading dose; steady-state at 5-7 days of maintenance dosing
Antiplatelet effect within 30 minutes of loading dose (faster than clopidogrel)
Antiplatelet effect within 30-60 minutes; analgesic effect 30-60 minutes
Antipsychotic effect over weeks
Anxiolysis classically 3-4 weeks, continuing improvement to 8-12 weeks
Appetite suppression within hours; weight loss over weeks-months
BP effect 1 hour; max at 4-6 hours
BP effect 1-2 hours; max at 6 hours
BP effect 1-2 weeks; antihypertensive peak 3-6 weeks
BP effect 1-2 weeks; max at 2-3 weeks
BP effect 2 hours; max at 4-6 weeks
BP effect within 24 hours; full effect at 1-2 weeks (long half-life)
BP effect within hours (oral); 5-10 minutes (IV)
BP effect within hours (oral); IOP reduction within 30 minutes, full effect 1-2 weeks (ophthalmic)
BP effect within hours; full effect over 1-2 weeks
BP lowering within 1 hour; max at 6 hours
BP lowering within 1 hour; max effect at 6 hours
BPH symptom improvement at 3-6 months; prostate volume reduction over 6-12 months; hair regrowth at 6-12 months
Benefit over weeks of dosing
Biochemical improvement within 2-4 weeks; full euthyroid state 6-12 weeks
Bone marker reduction within weeks; BMD improvement at 1-3 years; fracture-risk reduction documented at 3-5 years
Bowel movement within 1 week; abdominal pain improvement over weeks
Bronchodilation 15-30 minutes
Bronchodilation 30 minutes; steady-state at 1-2 weeks
Bronchodilation within 1-2 hours; full controller effect 1-2 weeks
Caries reduction over months to years of consistent use
Clinical and mycologic cure follows the full course; nail clearance over months of regrowth
Cognitive effect emerges gradually over weeks to months; ceiling effect at the therapeutic dose
Cognitive effect emerges gradually over weeks to months; symptomatic effect only
Component effects accumulate over weeks
Constipation: 1-3 days; bowel prep: 1-3 hours after starting
Constipation: 24-48 hours; HE: ammonia reduction within hours of stool production
Contraception within 48 hours of starting (POP); endometrial effects days
Contraceptive within 24 hours if given in first 5 days of cycle; otherwise backup for 7 days
Day 3 of dosing in trials; sustained through day 45
Days for calcium effect; weeks for PTH suppression
Days for dermatophyte clearance; nail clearance over months
Days for immunosuppressive effect
Days for symptom improvement in scurvy
Days to weeks for tissue saturation
Days to weeks to raise 25(OH)D; clinical effect on bone over months
Diuresis at 2 hours; antihypertensive effect within days, max at 3-4 weeks
Diuresis at 2-3 hours; BP effect over weeks
Effect demonstrated within 24 hours in some patients
Effects accumulate over weeks; assess at 8 weeks
Estrogen suppression within days; clinical effect over months
First bowel movement within 1-2 hours
Glucose lowering within days; HbA1c effect at 8-12 weeks
Glycemic effect within days; full weight effect over months'"`UNIQ--ref-00000301-QINU`"'
Glycemic effect within days; near-maximal HbA1c effect by 4 weeks at any given dose'"`UNIQ--ref-00000057-QINU`"'
Glycemic effect within days; weight effect over weeks to months'"`UNIQ--ref-00000188-QINU`"'
Glycemic effect within days;<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> full weight effect over months'"`UNIQ--ref-00000250-QINU`"'
Glycemic effect within hours (Byetta); weeks (Bydureon, extended-release microsphere)'"`UNIQ--ref-000000EA-QINU`"'
Glycosuria within hours; HbA1c effect at 12 weeks; CV/renal benefits over months
Glycosuria within hours; HbA1c effect at 12 weeks; cardiovascular and renal benefits over months
Gradual; full clinical effect over 2-4 weeks of titration
HbA1c effect at 12-16 weeks (slower than other classes)
Headache relief at 30-60 minutes
Hematologic response within days
Hours (PO); IV faster but rate-limited
Hours (faster than T4); peak biologic activity 24-48 hours
Hours (systemic); minutes (ophthalmic)
Hours (transdermal); days (IM esters)
Hours to days
Hours to days for inflammation; substantial improvement within 1 week
IM: 5-10 minutes; IV: seconds; nebulized: 5-10 minutes
IOP lowering at 1 hour; max at 2-3 hours
IOP lowering at 2 hours; max at 4 hours
IOP lowering at 3-4 hours; maximum at 8-12 hours
IOP lowering at 4 hours, maximum at 8-12 hours; eyelash effect after 2 months
IR 20 minutes; ER ~6 hours
IR: 30–60 min; XR: 1–2 h to peak effect
IV pulse: hours; PO: hours; intra-articular: days
IV/IM 1-3 minutes; PO 30-60 minutes
IV: 1-3 minutes (SVT termination); PO IR: 30-60 minutes; ER: hours
IV: 3-7 minutes (rate control); PO IR: 30-60 minutes; ER: hours
IV: 5 minutes; PO: 30-60 minutes
IV: 5-20 minutes; PO: 30-60 minutes
IV: minutes; IM benzathine: depot levels last weeks
IV: minutes; oral: weeks to load
Immediate (IV)
Immediate (IV); within minutes (oral antacid)
Immediate intravascular expansion
Inhaled: 5-15 minutes; PO: 30 minutes
Inhaled: bronchial effect 1-2 weeks; nasal: symptom relief 12-24 hours; topical: hours
Inhaled: bronchial effect 1-2 weeks; oral GI effect 1-2 weeks
Intranasal: symptom relief 12-24 hours; inhaled: bronchial effect 1-2 weeks
LDL lowering at 1 week, max by 4 weeks
LDL lowering at 2 weeks, max by 4 weeks; cardiovascular benefit months to years
LDL lowering within 2 weeks
LDL reduction ~50-60% from baseline at 1-2 weeks
Lipid changes 4-8 weeks
Migraine effect after 1-3 months of daily use
Minutes
Modest appetite suppression within weeks; weight loss over months
Mood improvement at 1-3 weeks; full effect 4-6 weeks
Mood: 2–4 weeks. Pain: often within 1–2 weeks.
Mucosal protection within hours; ulcer healing over 2-4 weeks
Natriuresis at 2-3 days; endocrine effects (gynecomastia, antiandrogen action) over weeks
Neuroleptic effect emerges over days to weeks
Neuroleptic effect emerges over days to weeks; activation symptoms (akathisia, insomnia) often within days
Neuropathic pain and fibromyalgia effect emerges over 1-2 weeks
OCD effect over 1-2 weeks initial, with full effect typically 6-12 weeks; among the slowest SSRIs for OCD response
Onset of preventive effect over weeks; some patients respond after first dose
Oral analgesic effect 30-60 minutes; opioid-withdrawal suppression 30 minutes (oral); IV ~10 minutes
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.
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.
Oral: hours; IV: minutes
PBA episode reduction within 1-2 weeks
PET Aβ reduction over months
PO 1 hour; IV 10 minutes
PO 1–2 h; IM 30–60 min; IV 5–20 min
PO 30-60 minutes; IV minutes
PO 6-12 hours; PR 15-60 minutes
PO: 30-60 minutes; IV: minutes
Pain and migraine prophylaxis effect 1-4 weeks; antidepressant effect 4-6 weeks
Pain relief reported within 15 min in trials
Peak anticoagulant effect 2-4 hours
Peak anticoagulant effect 3-4 hours
Peak plasma at 1-2 hours; clinical effect within 24-72 hours
Peak plasma concentration in 2-4 hours after oral administration. Clinically perceptible wakefulness-promoting effects typically begin within 1-2 hours of dosing.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup>
Prostate volume reduction over 6-12 months
Rapid (within 1 week in trials)
Reticulocyte response at 3-5 days; neurologic recovery weeks to months (and may be incomplete if longstanding)
Reticulocyte response at 7-10 days; hemoglobin rise of ~1 g/dL per 3 weeks
Rheumatologic effect at 4-8 weeks; ectopic resolution over 2-3 weeks
Rheumatologic effect at 6-12 weeks
SC: 5-15 minutes (Fiasp 2.5 minutes earlier on average)
SC: 5-15 minutes; ultra-rapid Lyumjev faster
SL/spray: 1-3 minutes; IV: minutes; patch: 30-60 minutes
SL: 2-5 minutes; PO mononitrate: 30-60 minutes
Seconds
Sedation from first dose; neuroleptic effect emerges over days to weeks
Sedation/dizziness within hours of oral dose; endometrial effects over days
Serum urate falls gradually over days to weeks; acute flare prevention requires colchicine cover during initiation
Significant antidepressant response by week 1 in trials (faster than monoaminergic antidepressants which take 4-6 weeks)
Sleep effect from first dose; analgesic and migraine-prophylaxis effect 1-4 weeks; antidepressant effect 4-6 weeks
Sleep effect within 30-60 minutes; antidepressant effect over 1-2 weeks
Slow, 2–6 h
Slowing of cognitive decline over 18 months (modest effect, ~27% relative slowing)
Smoked 2-5 min; insufflated 5-15 min; oral 30-60 min; IV / IM ~5-15 min
Sublingual analgesic effect 30-60 minutes; MOUD craving suppression within hours; Butrans patch steady-state in 3 days.
Symptom improvement within 1 week; peak effect at 4-6 weeks
Symptom improvement within 1-2 weeks
Symptom improvement within weeks
Symptom relief 1-4 days; full acid suppression after 3-5 days of dosing
Symptom relief within 24-48 hours
Symptom relief within 24-48 hours of starting episodic treatment
Symptom relief within 30 minutes
Symptom relief within 30-60 minutes
Symptom relief within days
Symptom shortening detectable within 24-48 hours of starting (small absolute benefit; ~1 day reduction in symptom duration)
Symptomatic effect within weeks; full response by 12-24 weeks
Symptomatic improvement 2-4 weeks
TSH normalization 4-8 weeks
TSH normalization 4-8 weeks; symptomatic improvement weeks to months
Topical hours; intra-articular days to weeks
Topical hours; oral days
Topical: inflammation, erythema, crusting at 2 weeks; complete response weeks to months after course
Topical: irritation within days; acne improvement 6-12 weeks; oral APL response within days
Triglyceride lowering at 2-4 weeks; max at 8 weeks
Triglyceride lowering at 4-8 weeks
Triglyceride lowering at 4-8 weeks; CV benefit emerges over months
Typical antidepressant 4-6 week onset
Urinary concentration adequate within hours
Vasomotor relief 2-4 weeks; bone density gains over months
Visible lightening at 4-12 weeks
Wake-promoting effect over weeks of titration
Weeks for psychosis/depression; AD agitation benefit emerges over weeks
Weeks for psychosis/mood efficacy
Weeks to raise 25(OH)D into reference range
Within 30 minutes (IR)
Within hours of first administration
Within minutes
~15 min (fastest of the PDE5 inhibitors)
~15–30 min
~20–40 min PO; faster sublingual/intranasal.
~30 minutes (oral)
~30-60 min
Search
duration:
4-6 hours (IR); 12 hours (ER) (1)
halflife:
3-5 hours (IR); 4.5 hours (ER)'"`UNIQ--ref-0000001D-QINU`"' (1)
bioavailability:
~60-87% (oral; high and more consistent than codeine or hydrocodone, making efficacy less CYP2D6-genotype-dependent)'"`UNIQ--ref-0000001E-QINU`"' (1)
pregnancy:
Chronic third-trimester exposure produces neonatal opioid withdrawal syndrome and respiratory depression at delivery.<sup class="pcp-cn" title="This claim needs a citation.">[[[Pharmacopedia:Citation needed|citation needed]]]</sup> (1)
legal:
(Click arrow to add another value)
None
·
[[USLegal:Prescription only|Rx-only]] in US
·
OTC in US
·
Rx
·
Rx-only in US
·
Rx, Schedule IV (US)
·
Schedule II
·
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000028-QINU`"'
·
Rx-only
·
[[USLegal:DEA Schedule I|Schedule I]] (United States)
·
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000022-QINU`"'
·
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000025-QINU`"'
·
'''[[USLegal:Behind-the-counter|Behind-the-counter]] in US''' under the Combat Methamphetamine Epidemic Act 2005: purchase restricted to ≤3.6 g/day and ≤9 g/30 days, with photo ID, logbook signature, and quantity logging required. Several states schedule higher than federal
·
'''[[USLegal:Schedule V|Schedule V controlled substance]] in US (federally)''', distinct from gabapentin which remains federally unscheduled'"`UNIQ--ref-00000028-QINU`"'
·
5-MeO-DMT is Schedule I in US (since 2011); the toad itself is protected in several southwestern states
·
Currently legal in most jurisdictions with thujone limits
·
Investigational
·
Leaves legal in Bolivia, Peru, Colombia; cocaine internationally controlled
·
Not a controlled substance in the United States, European Union, United Kingdom, Canada, or Australia. Prescription-only in all of these jurisdictions due to the narrow therapeutic index and the need for serum monitoring. No abuse potential has been identified.
·
OTC (1% shampoo) and [[USLegal:Prescription only|Rx-only]] (higher strengths, oral) in US. Oral form carries a '''Boxed Warning''' for hepatotoxicity and is restricted by FDA to refractory fungal infections where no alternatives are available
Other values:
OTC (10-20 mg) and [[USLegal:Prescription only|Rx-only]] (higher doses) in US
OTC (20 mg) and [[USLegal:Prescription only|Rx-only]] (higher doses) in US
OTC (20 mg, 14-day course) and [[USLegal:Prescription only|Rx-only]] (higher and longer durations) in US
OTC (Astepro 0.15%) and [[USLegal:Prescription only|Rx-only]] (other intranasal, ophthalmic, Dymista) in US
OTC (MiraLAX) and [[USLegal:Prescription only|Rx-only]] (electrolyte solutions for bowel prep) in US
OTC (Nasonex 24HR) and [[USLegal:Prescription only|Rx-only]] (other forms) in US
OTC (Pataday ophthalmic) and [[USLegal:Prescription only|Rx-only]] (Patanase intranasal) in US
OTC (intranasal Flonase) and [[USLegal:Prescription only|Rx-only]] (inhaled, topical) in US
OTC (intranasal Rhinocort Allergy) and [[USLegal:Prescription only|Rx-only]] (other forms) in US
OTC (low-dose topicals) and [[USLegal:Prescription only|Rx-only]] (other forms) in US
OTC (low-dose) and [[USLegal:Prescription only|Rx-only]] (1 mg, injectable) in US
OTC (low-dose) and [[USLegal:Prescription only|Rx-only]] (50,000 IU and concentrated solutions) in US
OTC (low-dose, dietary supplement) and [[USLegal:Prescription only|Rx-only]] (Niaspan ER) in US
OTC (low/mid-dose oral) and [[USLegal:Prescription only|Rx-only]] (injection, intranasal) in US
OTC (lower doses) and [[USLegal:Prescription only|Rx-only]] (higher doses) in US
OTC (lower strengths) and [[USLegal:Prescription only|Rx-only]] (combination with betamethasone) in US
OTC (lower-concentration washes) and [[USLegal:Prescription only|Rx-only]] (Peridex oral rinse, ChloraPrep) in US
OTC (lowest-strength topicals) and [[USLegal:Prescription only|Rx-only]] (higher strengths, injectable) in US
OTC (most dentifrice and rinse) and [[USLegal:Prescription only|Rx-only]] (high-concentration paste/gel, supplements) in US
OTC (most) and [[USLegal:Prescription only|Rx-only]] (50,000 IU) in US
OTC (ophthalmic ointment) and [[USLegal:Prescription only|Rx-only]] (other forms) in US
OTC (oral salts) and [[USLegal:Prescription only|Rx-only]] (IV) in US
OTC (oral supplements) and [[USLegal:Prescription only|Rx-only]] (IV) in US
OTC (topical) and [[USLegal:Prescription only|Rx-only]] (oral) in US
OTC (transdermal patch in women) and [[USLegal:Prescription only|Rx-only]] (other forms) in US
OTC and [[USLegal:Prescription only|Rx-only]] (IV, combination products) in US
Plant unrestricted; pharmaceutical atropine Rx-only
Rx, '''not a controlled substance''' (no DEA scheduling)
Rx, '''not a controlled substance''' (unique among wake-promoting agents)
Rx, Schedule III (US). REMS program required.
Rx-only in US (REMS program)
Rx-only;'"`UNIQ--ref-0000005C-QINU`"' not a controlled substance
Rx-only;'"`UNIQ--ref-000000F0-QINU`"' not a controlled substance
Rx-only;'"`UNIQ--ref-0000018D-QINU`"' not a controlled substance
Rx-only;'"`UNIQ--ref-00000256-QINU`"' not a controlled substance
Rx-only;'"`UNIQ--ref-00000305-QINU`"' not a controlled substance
Rx. FDA black-box warning for increased mortality in elderly patients with dementia-related psychosis (class warning shared with all antipsychotics)
Rx; ARIA monitoring required
Rx; REMS program required (excessive sedation/loss of consciousness during infusion)
Rx; REMS-like program for ARIA monitoring
Rx; black-box warning for distant spread of toxin effect
Schedule I (United States)
Schedule I in US since 1993 (despite traditional use elsewhere); legal in Ethiopia, Kenya, Yemen, Somalia, Djibouti
Schedule III (DEA, US)
Schedule III in US; X-waiver no longer required (as of 2023)
Schedule III; REMS-restricted (Schedule I if outside the pharmaceutical channel, same molecule as illicit GHB)
Schedule IV (US)
US Schedule II (single-entity); Schedule III–V (combination products by content).
Unrestricted (food)
Withdrawn from US market January 2024
[[USLegal:DEA Schedule II|Schedule II]] controlled substance in US (rescheduled from Schedule III in 1978). No accepted medical use. UN Convention on Psychotropic Substances Schedule II internationally.'"`UNIQ--ref-00000067-QINU`"'
[[USLegal:Over-the-counter|OTC]] as Bonine and Dramamine Less Drowsy; [[USLegal:Prescription only|Rx-only]] as Antivert
[[USLegal:Over-the-counter|OTC]] dietary supplement in the US ('''not FDA-regulated as a medicine'''; multiple studies show OTC products contain 50-470% of labeled melatonin content); [[USLegal:Prescription only|Rx-only]] in the EU and UK
[[USLegal:Over-the-counter|OTC]] for most oral and topical formulations; [[USLegal:Prescription only|Rx-only]] for injectable
[[USLegal:Over-the-counter|OTC]] in US at all standard strengths
[[USLegal:Over-the-counter|OTC]] in US at ≤220 mg/tablet and ≤660 mg/day; [[USLegal:Prescription only|Rx-only]] at higher strengths
[[USLegal:Over-the-counter|OTC]] in the US at ≤200 mg per tablet / ≤1200 mg/day; [[USLegal:Prescription only|Rx-only]] at higher strengths and indications
[[USLegal:Prescription only|Prescription only]]; not a controlled substance
[[USLegal:Prescription only|Rx-only]] (higher concentrations and IV) and OTC (low-dose supplements) in US
[[USLegal:Prescription only|Rx-only]] for IV formulations; OTC for oral
[[USLegal:Prescription only|Rx-only]] for most formulations; some low-concentration topical formulations are [[USLegal:Over-the-counter|OTC]] (4% cream)
[[USLegal:Prescription only|Rx-only]] for oral and most topical formulations in US; Voltaren Arthritis Pain 1% gel switched to [[USLegal:Over-the-counter|OTC]] in 2020
[[USLegal:Prescription only|Rx-only]] for parenteral formulations; OTC for oral, nasal, and many nebulizer products
[[USLegal:Prescription only|Rx-only]] in US (most products; some low-volume packs OTC)
[[USLegal:Prescription only|Rx-only]] in US (note: norgestrel 0.075 mg POP is now OTC as Opill since 2023, but norethindrone POP remains Rx)
[[USLegal:Prescription only|Rx-only]] in US (some OTC formulations exist)
[[USLegal:Prescription only|Rx-only]] in US (the veterinary preparations are not for human use)
[[USLegal:Prescription only|Rx-only]] in US since 2020 (OTC 2% formulations withdrawn under CARES Act due to safety concerns)
[[USLegal:Prescription only|Rx-only]] in US. '''Contraindicated in structural heart disease''' — CAST trial (1989) showed increased mortality from class IC agents in patients with prior MI; modern use is limited to structurally normal hearts'"`UNIQ--ref-00001141-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. '''FDA Boxed Warning (2020):''' neuropsychiatric events including agitation, depression, sleep disturbance, and suicidal thoughts; benefit-risk should be reassessed regularly'"`UNIQ--ref-00000160-QINU`"'.
[[USLegal:Prescription only|Rx-only]] in US. '''Federally non-controlled despite being a barbiturate''', a paradoxical situation given that its primary active metabolite phenobarbital is Schedule IV'"`UNIQ--ref-00000019-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. '''Not a controlled substance''', the principal clinical selling point versus psychostimulant ADHD options. Carries the antidepressant-class '''Boxed Warning''' for suicidal ideation in pediatric patients'"`UNIQ--ref-00000016-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries '''Boxed Warning''' for risk of malignancy and serious infection; nephrotoxicity, hypertension, and immunosuppression-associated complications'"`UNIQ--ref-00000A93-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries '''Boxed Warnings''' for hepatotoxicity (especially children <2 with metabolic disorders), teratogenicity, and pancreatitis'"`UNIQ--ref-0000097F-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries '''Boxed Warnings''' for pulmonary toxicity (interstitial pneumonitis, fibrosis), hepatotoxicity, and proarrhythmia'"`UNIQ--ref-00000CB5-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' contraindicating use in children <2 years (lethal dehydration in animal studies)'"`UNIQ--ref-0000119E-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' for '''tardive dyskinesia''' (irreversible movement disorder), driving the 12-week chronic-use limit'"`UNIQ--ref-00000EFB-QINU`"'
[[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`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' for bleeding risk and against aspirin maintenance doses above 100 mg/d (reduces ticagrelor efficacy, per PLATO subgroup analysis)'"`UNIQ--ref-00000C94-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' for bone mineral density loss with prolonged use (≥2 years; partially reversible after discontinuation)'"`UNIQ--ref-00000F22-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries a '''Boxed Warning''' for heart failure (do not initiate in NYHA III/IV; can precipitate or worsen HF in any patient)'"`UNIQ--ref-00000826-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the '''antidepressant Boxed Warning''' for suicidality in children/adolescents/young adults and the atypical-neuroleptic '''Boxed Warning''' for increased mortality in elderly dementia patients'"`UNIQ--ref-0000154F-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the FDA '''Boxed Warning for serious skin reactions''' including Stevens-Johnson syndrome and toxic epidermal necrolysis, with the risk concentrated in the first 2-8 weeks of therapy and elevated by rapid titration'"`UNIQ--ref-00000028-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the NSAID-class '''Boxed Warning''' for cardiovascular thrombotic events and serious GI bleeding'"`UNIQ--ref-000011FB-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults. Not controlled'"`UNIQ--ref-00000025-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-0000001C-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000023-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-0000002E-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the atypical-neuroleptic '''Boxed Warning''' for increased mortality in elderly patients with dementia-related psychosis'"`UNIQ--ref-00000023-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the same fluoroquinolone-class '''Boxed Warnings''' as ciprofloxacin/levofloxacin'"`UNIQ--ref-00000D84-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the same fluoroquinolone-class '''Boxed Warnings''' as ciprofloxacin/levofloxacin'"`UNIQ--ref-000014C5-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Carries the same fluoroquinolone-class '''Boxed Warnings''' as ciprofloxacin: tendinitis/tendon rupture (especially elderly, corticosteroid co-use), peripheral neuropathy, CNS effects, worsening of myasthenia gravis'"`UNIQ--ref-00000CF7-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Caution with QT-prolonging medicines (quinidine itself is class IA antiarrhythmic, and the dose here, though sub-antiarrhythmic, still contributes to QT)'"`UNIQ--ref-00001585-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. NSAID-class '''Boxed Warning''' for CV thrombotic events and GI bleeding; triptans contraindicated in coronary artery disease, peripheral vascular disease, uncontrolled hypertension, and recent ergot or MAOI use'"`UNIQ--ref-000015D3-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. NSAID-class '''Boxed Warning''' for CV thrombotic events and GI bleeding'"`UNIQ--ref-00001270-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, distinguishing it from carisoprodol among muscle-spasm options'"`UNIQ--ref-0000001F-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, distinguishing it from carisoprodol which is Schedule IV'"`UNIQ--ref-00000019-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, distinguishing it from the carisoprodol alternative for muscle spasm'"`UNIQ--ref-0000001C-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, like guanfacine and unlike the psychostimulant alternatives for ADHD'"`UNIQ--ref-00000028-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, which is a meaningful clinical advantage over benzodiazepine alternatives for chronic anxiety'"`UNIQ--ref-0000001F-QINU`"'
[[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`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance, which is a meaningful contrast to the psychostimulant alternatives for ADHD'"`UNIQ--ref-00000022-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance'"`UNIQ--ref-00000022-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance'"`UNIQ--ref-00000028-QINU`"'
[[USLegal:Prescription only|Rx-only]] in US. Not a controlled substance'"`UNIQ--ref-0000002B-QINU`"'
[[USLegal:Schedule III|Schedule III controlled substance]] in US (Fiorinal is scheduled federally; Fioricet with acetaminophen is unscheduled federally despite identical butalbital content, a regulatory quirk)
[[USLegal:Schedule III|Schedule III controlled substance]] in US. '''Contraindicated in children <12''' for any indication and in any age post-tonsillectomy/adenoidectomy (FDA 2017 black-box advisory)'"`UNIQ--ref-00001519-QINU`"'
[[USLegal:Schedule II|Schedule II controlled substance]] in US
[[USLegal:Schedule II|Schedule II controlled substance]] in US. Acetaminophen content limited to ≤325 mg per dosage unit (FDA 2014)
[[USLegal:Schedule II|Schedule II controlled substance]] in US; WHO essential medicine'"`UNIQ--ref-00000022-QINU`"'
[[USLegal:Schedule II|Schedule II controlled substance]] in US'"`UNIQ--ref-00000019-QINU`"'
[[USLegal:Schedule II|Schedule II controlled substance]] in US'"`UNIQ--ref-0000001F-QINU`"'
[[USLegal:Schedule IV|Schedule IV controlled substance]] in US (federally scheduled 2014); some states schedule higher'"`UNIQ--ref-00000026-QINU`"'
[[USLegal:Schedule IV|Schedule IV controlled substance]] in US (tramadol was reclassified from non-controlled to Schedule IV in 2014 after recognition of dependence risk)
[[USLegal:Schedule IV|Schedule IV controlled substance]] in US. Carries the FDA '''Boxed Warning''' for '''complex sleep behaviors''' (sleep-driving, sleep-walking, sleep-eating, other parasomnias) added in 2019'"`UNIQ--ref-0000001C-QINU`"'
[[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-00000028-QINU`"'
[[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`"'
[[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-0000002C-QINU`"'
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Drilldown: Medicines
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[[USLegal:Schedule II|Schedule II controlled substance]] in US'"`UNIQ--ref-0000001F-QINU`"' 
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