Drilldown: Medicines

Cyanocobalamin (vitamin B12) (1) · Haloperidol (1)

Haldol, Serenace, Haldol Decanoate (1) · Many OTC and Rx; Nascobal (intranasal); generic injection (1)

Antiemetic (1) · Typical antipsychotic (1) · [[:Category:B-vitamins|B-vitamin]] (1) · [[:Category:Hematinics|Hematinic]] (1) · [[:Category:Vitamins|Vitamin]] (1)

None (1) · High-affinity D2 receptor antagonist (1)

Schizophrenia, acute psychosis, agitation, delirium, Tourette syndrome, severe nausea (1) · '"`UNIQ--vote-00000607-QINU`"', '"`UNIQ--vote-00000608-QINU`"', '"`UNIQ--vote-00000609-QINU`"', '"`UNIQ--vote-0000060A-QINU`"' (1)

None (1) · Replacement: 1000 mcg IM daily for 1 week, then weekly for 4 weeks, then monthly; or 1000-2000 mcg PO daily (effective even in pernicious anemia via passive diffusion); intranasal 500 mcg weekly (1)

None (1) · 100, 250, 500, 1000, 5000 mcg tablets (OTC and Rx); 1000 mcg/mL injection; intranasal spray; sublingual (1)

None (1) · No strict ceiling; water-soluble vitamin, low toxicity (1)

None · Oral · IV · topical · IM · intranasal · rectal · subcutaneous · Topical ophthalmic · ophthalmic · intramuscular · intravenous · transdermal · vaginal · Subcutaneous (abdomen · sublingual · thigh · Inhaled · intra-articular · nebulized

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PO 1–2 h; IM 30–60 min; IV 5–20 min (1) · Reticulocyte response at 3-5 days; neurologic recovery weeks to months (and may be incomplete if longstanding) (1)

12–24 h (oral); decanoate IM 3–4 weeks (1) · N/A (replacement) (1)

14–26 h (oral); ~3 weeks (decanoate) (1) · ~6 days (plasma); hepatic stores last 3-5 years (1)

Oral ~1-3% via passive diffusion at high doses (independent of intrinsic factor); IM/SC ~100% (1) · ~60–70% (oral) (1)

Category C (1) · Routinely supplemented in vegan pregnancies and pernicious anemia.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

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: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: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 · 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

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