Drilldown: Medicines

Acetaminophen (paracetamol, APAP) (1) · Bumetanide (1) · Butalbital / Acetaminophen / Caffeine (1) · Butalbital / Aspirin / Caffeine (1) · Cephalexin (1) · Clindamycin (1) · Erythromycin (1) · Ibuprofen (1) · Ipratropium bromide (1) · Ketorolac (tromethamine) (1) · Lorazepam (1) · Methocarbamol (1) · Metoclopramide (1) · Penicillin V (phenoxymethylpenicillin) (1) · Phenazopyridine (1) · Promethazine (hydrochloride) (1) · Tramadol / Acetaminophen (1)

Advil, Motrin, IBU, Caldolor (IV), NeoProfen (neonatal IV) (1) · Ativan (oral, injectable), Loreev XR (1) · Atrovent (inhaler, intranasal); also generic (1) · Bumex (1) · Cleocin (oral, IV); Clindesse, Cleocin (vaginal); Clindets, Cleocin T (topical) (1) · E.E.S., EryPed, Ery-Tab, PCE, Erythrocin (lactobionate IV); topical Erygel, Akne-Mycin; ophthalmic ointment (1) · Fioricet, Esgic; with codeine as Fioricet with Codeine (Schedule III) (1) · Fiorinal; with codeine as Fiorinal with Codeine (Schedule III) (1) · Keflex, Daxbia, Panixine; mostly prescribed generically (1) · Pen-V, Veetids (mostly generic) (1) · Phenergan, Promethegan (suppositories) (1) · Pyridium (Rx), Azo Standard, AZO Urinary Pain Relief (OTC) (1) · Reglan, Gimoti (intranasal), Metozolv ODT (1) · Robaxin (oral, injectable) (1) · Toradol (IV/IM, US brand discontinued), Sprix (nasal spray), Acular and Acuvail (ophthalmic) (1) · Tylenol, Panadol (international), Ofirmev (IV); huge OTC presence (1) · Ultracet, Tramacet (1)

None (1) · narrow-spectrum)]] (1) · non-selective)]] (1) · [[:Category:Analgesics|Analgesic (opioid-sparing parenteral)]] (1) · [[:Category:Analgesics|Analgesic]] (1) · [[:Category:Analgesics|Non-opioid analgesic]] (1) · [[:Category:Antibacterials|Antibacterial]] (2) · [[:Category:Antiemetics|Antiemetic]] (2) · [[:Category:Antihistamines|First-generation antihistamine]] (1) · [[:Category:Antimuscarinics|Antimuscarinic]] (1) · [[:Category:Antipyretics|Antipyretic]] (2) · [[:Category:Anxiolytics|Anxiolytic]] (1) · [[:Category:Azo_dyes|Azo dye]] (1) · [[:Category:Barbiturates|Barbiturate (butalbital)]] (2) · [[:Category:Benzodiazepines|Benzodiazepine]] (1) · [[:Category:Beta-lactam_antibiotics|β-lactam antibiotic]] (2) · [[:Category:Bronchodilators|Bronchodilator]] (1) · [[:Category:Cephalosporins|Cephalosporin (first-generation)]] (1) · [[:Category:Dopamine_D2_antagonists|Dopamine D2 antagonist]] (1) · [[:Category:Fixed-dose_combinations|Fixed-dose combination]] (2) · [[:Category:Lincosamides|Lincosamide antibiotic]] (1) · [[:Category:Loop_diuretics|Loop diuretic]] (1) · [[:Category:Macrolide_antibiotics|Macrolide antibiotic]] (1) · [[:Category:Methylxanthines|Methylxanthine (caffeine)]] (2) · [[:Category:Non-opioid_analgesics|Non-opioid analgesic (acetaminophen)]] (1) · [[:Category:NSAIDs|Non-steroidal anti-inflammatory (NSAID (1) · [[:Category:NSAIDs|Non-steroidal anti-inflammatory (NSAID)]] (1) · [[:Category:NSAIDs|NSAID (aspirin)]] (1) · [[:Category:Penicillins|Penicillin (natural (1) · [[:Category:Phenothiazines|Phenothiazine]] (1) · [[:Category:Prokinetics|Prokinetic (off-label)]] (1) · [[:Category:Prokinetics|Prokinetic]] (1) · [[:Category:Schedule IV controlled substances|Schedule IV controlled substance]] (1) · [[:Category:Schedule_III_controlled_substances|Schedule III controlled substance]] (1) · [[:Category:Short-acting_muscarinic_antagonists|Short-acting muscarinic antagonist (SAMA)]] (1) · [[:Category:Skeletal muscle relaxants|Skeletal muscle relaxant (centrally-acting)]] (1) · [[:Category:Urinary_analgesics|Urinary tract analgesic]] (1)

None · 5-HT2A agonist · GABAA positive allosteric modulator · Monoamine releasing agent · CB1/CB2 agonist · Potent mu-opioid receptor agonist · Sodium channel blocker · Dopamine/norepinephrine reuptake inhibitor · GABAA potentiator; NMDA antagonist · Phenothiazine D2 antagonist · Potent 5-HT2A agonist · 5-HT1B/1D agonist · LSD analogue; 5-HT2A agonist · Mu-opioid receptor agonist · Muscarinic receptor antagonist · Prodrug of LSD; 5-HT2A agonist · Selective norepinephrine reuptake inhibitor · GABAA positive allosteric modulator (non-benzodiazepine) · GABAA potentiator and direct activator · Irreversible non-selective MAO inhibitor

Other values:

Search

'"`UNIQ--vote-00000015-QINU`"', '"`UNIQ--vote-00000016-QINU`"' (1) · '"`UNIQ--vote-0000001B-QINU`"', '"`UNIQ--vote-0000001C-QINU`"', '"`UNIQ--vote-0000001D-QINU`"', '"`UNIQ--vote-0000001E-QINU`"', '"`UNIQ--vote-0000001F-QINU`"' (1) · '"`UNIQ--vote-0000001D-QINU`"', '"`UNIQ--vote-0000001E-QINU`"', '"`UNIQ--vote-0000001F-QINU`"', '"`UNIQ--vote-00000020-QINU`"', '"`UNIQ--vote-00000021-QINU`"' (1) · '"`UNIQ--vote-0000001D-QINU`"', '"`UNIQ--vote-0000001E-QINU`"', '"`UNIQ--vote-0000001F-QINU`"', '"`UNIQ--vote-00000020-QINU`"', '"`UNIQ--vote-00000021-QINU`"', '"`UNIQ--vote-00000022-QINU`"' (1) · '"`UNIQ--vote-0000001F-QINU`"', '"`UNIQ--vote-00000020-QINU`"', '"`UNIQ--vote-00000021-QINU`"', '"`UNIQ--vote-00000022-QINU`"', '"`UNIQ--vote-00000023-QINU`"', '"`UNIQ--vote-00000024-QINU`"', '"`UNIQ--vote-00000025-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-000006A2-QINU`"', '"`UNIQ--vote-000006A3-QINU`"', '"`UNIQ--vote-000006A4-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-00000DDF-QINU`"', '"`UNIQ--vote-00000DE0-QINU`"', '"`UNIQ--vote-00000DE1-QINU`"', '"`UNIQ--vote-00000DE2-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-00000EF4-QINU`"', '"`UNIQ--vote-00000EF5-QINU`"', '"`UNIQ--vote-00000EF6-QINU`"', '"`UNIQ--vote-00000EF7-QINU`"', '"`UNIQ--vote-00000EF8-QINU`"' (1) · '"`UNIQ--vote-00000F78-QINU`"', '"`UNIQ--vote-00000F79-QINU`"', '"`UNIQ--vote-00000F7A-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) · '"`UNIQ--vote-0000152F-QINU`"' (1) · '"`UNIQ--vote-0000159D-QINU`"', '"`UNIQ--vote-0000159E-QINU`"' (1) · '"`UNIQ--vote-000015B6-QINU`"' (1)

0.5-1 mg PO/IV once or twice daily; titrate to clinical response. Approximate equipotency: bumetanide 1 mg ≈ furosemide 40 mg ≈ torsemide 20 mg (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) · 1-2 capsules (50 mg butalbital / 325 mg aspirin / 40 mg caffeine each) PO every 4 hours as needed; maximum 6 capsules/d (1) · 10 mg PO/IV/IM QID, '''not to exceed 12 weeks''' (tardive dyskinesia risk); intranasal Gimoti 15 mg BID (1) · 100-200 mg PO TID after meals × no more than 2 days when used with concurrent antibiotic (1) · 2 tablets (75 mg tramadol / 650 mg acetaminophen) PO every 4-6 hours as needed; maximum 8 tablets/day for ≤5 days (1) · 200-400 mg PO every 4-6 hours as needed. OTC max 1200 mg/day without provider direction; prescription max 3200 mg/day divided (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) · 325-1000 mg PO every 4-6 hours as needed; maximum 4 g/d in healthy adults, 3 g/d in regular users or hepatic risk; pediatric 10-15 mg/kg every 4-6 hours (1) · 500 mg PO every 6 hours, or 250 mg every 6 hours for mild infections (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) · 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) · IM: 60 mg single dose or 30 mg every 6 hours. IV: 30 mg every 6 hours. Oral (continuation only): 10-20 mg every 4-6 hours. Sprix nasal: 31.5 mg every 6-8 hours. '''Maximum 5 days total combined use''' (1) · Nebulized 500 mcg q6-8h (or with albuterol as DuoNeb); MDI 17 mcg/puff, 2 puffs QID; nasal 0.03% or 0.06% spray BID-TID (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)

0.5, 1, 2 mg tablets; 0.25 mg/mL IV (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) · 325, 500, 650 mg tablets; 80, 160 mg chewables; 160 mg/5 mL pediatric liquid; 325 mg suppository; 1000 mg/100 mL IV (Ofirmev); fixed-dose combinations with opioids, decongestants, antihistamines (1) · 5, 10 mg tablets; 5 mg/5 mL solution; 5 mg/mL IV; 15 mg/spray intranasal (1) · 50/325/40 mg capsules (1) · 50/325/40 mg capsules and tablets; oral solution (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) · Atrovent HFA 17 mcg/actuation MDI; 500 mcg/2.5 mL nebulizer solution; 0.03% and 0.06% intranasal sprays; with albuterol as DuoNeb / Combivent Respimat (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 mg; injection 15 mg/mL and 30 mg/mL; nasal spray 15.75 mg/spray (Sprix); ophthalmic solution 0.4%, 0.45%, 0.5% (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 200, 400, 600, 800 mg; capsules 200 mg; oral suspension 100 mg/5 mL; chewable tablets 100 mg; injection 100 mg/mL (Caldolor) (1) · Tablets 500, 750 mg; injection 100 mg/mL (1) · Tramadol/acetaminophen 37.5/325 mg tablets (1)

10 mg/day (anxiety, oral) (1) · 100 mg/day (adult) (1) · 12 puffs MDI/d typical; nebulized 2000 mcg/d (1) · 120 mg/day (IV/IM); 40 mg/day (oral); '''5-day maximum total combined therapy''' to mitigate the GI bleeding, AKI, and platelet dysfunction risks (1) · 2 g/d typical (1) · 3200 mg/day (Rx); 1200 mg/day (OTC, without provider direction) (1) · 4 g/d (1) · 4 g/d (rarely tolerated due to GI effects) (1) · 4 g/d in healthy adults; 3 g/d conservative limit; 2 g/d in cirrhosis or chronic alcohol use (1) · 4.8 g/d (IV severe infection) (1) · 40 mg/d (1) · 6 capsules/d (300 mg butalbital, 1950 mg acetaminophen, 240 mg caffeine) (1) · 6 capsules/d (300 mg butalbital, 1950 mg aspirin, 240 mg caffeine) (1) · 8 g/day (oral, short-term load); 6 g/day (chronic) (1) · 8 tablets/d (300 mg tramadol / 2600 mg acetaminophen); 5-day duration limit per label (1) · Limit to 48 hours of use to avoid hemolysis and methemoglobinemia (1) · ~10 mg/d typical (1)

IM (5) · Inhaled (MDI (1) · intramuscular (2) · intranasal (3) · intravenous (2) · intravenous (Caldolor (1) · IV (6) · IV (with caution) (1) · nebulized) (1) · NeoProfen) (1) · ophthalmic (2) · Oral (15) · Oral (continuation only) (1) · rectal (2) · topical (2) · vaginal (1)

20 minutes (oral); 5 minutes (IV) (1) · 30 minutes (IM); 30-60 minutes (oral) (1) · 30-60 minutes (3) · 30-60 minutes (oral) (1) · 30-60 minutes (oral); 5 minutes (IV); 15-30 minutes (IM) (1) · Bronchodilation 15-30 minutes (1) · Hours (4) · IV/IM 1-3 minutes; PO 30-60 minutes (1) · PO 30-60 minutes; IV minutes (1) · PO: 30-60 minutes; IV: minutes (1) · Symptom relief within 30 minutes (1) · ~30 minutes (oral) (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

1-1.5 hours'"`UNIQ--ref-00000DE3-QINU`"' (1) · 1-2 hours'"`UNIQ--ref-00000017-QINU`"' (1) · 1-3 hours (normal liver); markedly prolonged in overdose with glutathione depletion'"`UNIQ--ref-000006A5-QINU`"' (1) · 12-15 hours (intermediate); '''no active metabolites''' (key clinical feature)'"`UNIQ--ref-00000023-QINU`"' (1) · 12-15 hours'"`UNIQ--ref-00000022-QINU`"' (1) · 2-4 hours'"`UNIQ--ref-00000026-QINU`"' (1) · 5-6 hours'"`UNIQ--ref-00000020-QINU`"' (1) · 5-6 hours'"`UNIQ--ref-00000EF9-QINU`"' (1) · Butalbital ~35 hours (long; cumulative effects with frequent use); acetaminophen 1-3 hours; caffeine 3-7 hours'"`UNIQ--ref-0000159F-QINU`"' (1) · Butalbital ~35 hours; aspirin (acetyl group) ~15 minutes, salicylate 2-3 hours; caffeine 3-7 hours'"`UNIQ--ref-000015B7-QINU`"' (1) · Tramadol ~5-7 hours (M1 metabolite ~9 hours); acetaminophen 1-3 hours'"`UNIQ--ref-00001530-QINU`"' (1) · ~1 hour'"`UNIQ--ref-000004F2-QINU`"' (1) · ~1.5-2 hours'"`UNIQ--ref-00000D3E-QINU`"' (1) · ~2 hours (plasma; minimal relevance — local-action drug)'"`UNIQ--ref-00000F7B-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) · Butalbital well-absorbed; aspirin 50-75%; caffeine ~100%'"`UNIQ--ref-000015B8-QINU`"' (1) · Butalbital well-absorbed; caffeine ~100%; acetaminophen 85-98%'"`UNIQ--ref-000015A0-QINU`"' (1) · High (oral)'"`UNIQ--ref-00000FB5-QINU`"' (1) · Inhaled lung deposition with minimal systemic absorption (the basis of the favorable safety profile vs systemic antimuscarinics)'"`UNIQ--ref-00000F7C-QINU`"' (1) · Tramadol ~75% (oral); acetaminophen 85-98%'"`UNIQ--ref-00001531-QINU`"' (1) · ~100% (oral, but oral use is limited to continuation from parenteral)'"`UNIQ--ref-00000021-QINU`"' (1) · ~100% (oral; near-complete absorption)'"`UNIQ--ref-00000018-QINU`"' (1) · ~25% (oral, with extensive first-pass)'"`UNIQ--ref-00000023-QINU`"' (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; reduced by significant first-pass)'"`UNIQ--ref-00000EFA-QINU`"' (1) · ~80-100% (oral)'"`UNIQ--ref-00000027-QINU`"' (1) · ~80-95% (oral; more reliable than furosemide, comparable to torsemide)'"`UNIQ--ref-00000DE4-QINU`"' (1) · ~85-98% (oral)'"`UNIQ--ref-000006A6-QINU`"' (1) · ~90% (oral)'"`UNIQ--ref-00000024-QINU`"' (1) · ~90% (oral)'"`UNIQ--ref-00001443-QINU`"' (1)

Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning (fetal renal dysfunction, oligohydramnios); contraindicated from 30 weeks (risk of premature ductus arteriosus closure)'"`UNIQ--ref-00000028-QINU`"' (1) · Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning; contraindicated from 30 weeks. Specifically contraindicated in labor and delivery due to inhibition of uterine contractions'"`UNIQ--ref-00000022-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) · Avoid; neonatal opioid withdrawal documented.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Avoided; barbiturate + aspirin teratogenicity and bleeding concerns.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Generally avoided; barbiturate exposure in late pregnancy can produce neonatal withdrawal and respiratory depression.<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; generally considered acceptable when needed.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · 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.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Long the preferred analgesic-antipyretic in pregnancy; recent observational studies have raised speculative neurodevelopmental signals that remain under investigation.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Older agent with substantial use experience, including in hyperemesis gravidarum; broadly reassuring observational data'"`UNIQ--ref-00000024-QINU`"' (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) · Widely used for hyperemesis gravidarum; reassuring data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

None (2) · 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) · OTC and [[USLegal:Prescription only|Rx-only]] (IV, combination products) in US (1) · [[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 (1) · [[USLegal:Prescription only|Rx-only]] in US (5) · [[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`"' (1) · [[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: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) (1) · [[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) (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)