Drilldown: Medicines

Hydroxyzine (hydrochloride; pamoate salt) (1) · Venlafaxine (1)

Effexor XR, Effexor IR (discontinued in US, generic widely available) (1) · Vistaril (pamoate), Atarax (HCl, discontinued in US as brand) (1)

Research material · Classic Psychedelic · Stimulant · Opioid · Sedative-Hypnotic · Phenethylamine · Tryptamine · Benzodiazepine · Botanical · [[:Category:Antihypertensives|Antihypertensive]] · Dissociative · Anticonvulsant · Antidepressant · Plant Medicine · Analgesic · Antiparkinsonian · Antipsychotic · Empathogen · Neuroleptic · Cathinone

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None (1) · '"`UNIQ--vote-0000001D-QINU`"' '''QT prolongation''' risk at high doses prompted the FDA's 2015 caution against use in patients with prolonged QT or with concurrent QT-prolonging medicines'"`UNIQ--ref-0000001E-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`"' (2)

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) · XR 37.5 mg PO once daily for 4-7 days, then 75 mg/day; titrate by 75 mg every ≥4 days to clinical effect. IR 25-37.5 mg BID-TID (1)

IR tablets 25, 37.5, 50, 75, 100 mg; XR capsules 37.5, 75, 150, 225 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)

225 mg/day outpatient (XR); 375 mg/day inpatient (IR divided TID); 75 mg/day in moderate hepatic impairment (1) · 400 mg/day theoretical; in practice rarely exceeds 200 mg/day (1)

intramuscular (1) · Oral (2)

15-30 minutes (oral) (1) · Antidepressant effect over 1-2 weeks; anxiolytic effect over 4-6 weeks (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

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14-25 hours (longer in elderly and hepatic impairment)'"`UNIQ--ref-00000026-QINU`"' (1) · Venlafaxine 5 hours; desvenlafaxine active metabolite 11 hours'"`UNIQ--ref-00000026-QINU`"' (1)

~45%'"`UNIQ--ref-00000027-QINU`"' (1) · ~80% (oral)'"`UNIQ--ref-00000027-QINU`"' (1)

Limited human data; older agent with substantial use experience; some signal for first-trimester exposure but not conclusive.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1) · Observational signal for neonatal adaptation syndrome with late-pregnancy exposure; weigh against the risks of untreated maternal depression.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> (1)

[[USLegal:Prescription only|Rx-only]] in US. Carries the antidepressant '''Boxed Warning''' for suicidality in children, adolescents, and young adults'"`UNIQ--ref-00000028-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)