Drilldown: Medicines

Guanfacine (1) · Irbesartan (1) · Telmisartan (1)

Avapro (1) · Intuniv (extended-release), Tenex (immediate-release) (1) · Micardis (1)

[[:Category:ADHD medicines|ADHD medicine]] (1) · [[:Category:Alpha-2 adrenergic agonists|Alpha-2 adrenergic agonist]] (1) · [[:Category:Angiotensin_receptor_blockers|Angiotensin receptor blocker (ARB)]] (2) · [[:Category:Antihypertensives|Antihypertensive (historical)]] (1) · [[:Category:Antihypertensives|Antihypertensive]] (2)

'"`UNIQ--vote-00000019-QINU`"' Sedation and hypotension are the dose-limiting effects; gradual titration and bedtime or split dosing mitigate both. Abrupt discontinuation can precipitate rebound hypertension, particularly with long-standing use'"`UNIQ--ref-0000001A-QINU`"'. (1) · '"`UNIQ--vote-0000083E-QINU`"' CYP2C9 substrate; no clinically active metabolites. The IDNT trial established renoprotection in diabetic nephropathy independent of BP lowering, contributing to the ARB class indication in T2DM with proteinuria'"`UNIQ--ref-0000083F-QINU`"'. (1) · '"`UNIQ--vote-00000AEA-QINU`"' The 24-hour half-life supports once-daily dosing with consistent overnight BP control. Largely hepatically cleared (~98% biliary); no significant renal clearance dependence'"`UNIQ--ref-00000AEB-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-00000840-QINU`"', '"`UNIQ--vote-00000841-QINU`"' (1) · '"`UNIQ--vote-00000AEC-QINU`"', '"`UNIQ--vote-00000AED-QINU`"' (1)

150 mg PO once daily; titrate to 300 mg if needed (1) · 40 mg PO once daily; titrate to 80 mg (1) · Intuniv ER 1 mg PO once daily; titrate by 1 mg/week as tolerated to clinical response (1)

20, 40, 80 mg tablets (1) · 75, 150, 300 mg tablets (1) · Extended-release tablets 1, 2, 3, 4 mg (Intuniv); immediate-release tablets 1, 2 mg (Tenex) (1)

300 mg/d (1) · 7 mg/day in children and adolescents; weight-based ceiling (~0.12 mg/kg/day) applies in smaller patients (1) · 80 mg/d (1)

Oral (3)

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:

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24 hours (2) · ~24 hours (ER formulation supports once-daily dosing) (1)

11-15 hours'"`UNIQ--ref-00000842-QINU`"' (1) · ~17-18 hours (Intuniv ER); ~17 hours (immediate-release)'"`UNIQ--ref-00000020-QINU`"' (1) · ~24 hours (longest of the ARB class; suits patients with morning BP surge)'"`UNIQ--ref-00000AEE-QINU`"' (1)

42-58% (oral; dose-dependent)'"`UNIQ--ref-00000AEF-QINU`"' (1) · 60-80% (oral; not significantly affected by food)'"`UNIQ--ref-00000843-QINU`"' (1) · ~58% (extended-release); ~80% (immediate-release)'"`UNIQ--ref-00000021-QINU`"' (1)

'''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-00000844-QINU`"' (1) · '''Contraindicated in pregnancy''' (all trimesters); fetal renal injury, oligohydramnios, hypocalvaria, hypotension. Stop on detection'"`UNIQ--ref-00000AF0-QINU`"' (1) · Limited human data. Animal studies show fetal effects at maternally toxic doses; use only if benefits justify the potential risk.<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 (2) · [[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`"' (1)