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Page values for "Guanfacine"

"Medicines" values

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FieldField typeValue
genericStringGuanfacine
brandStringIntuniv (extended-release), Tenex (immediate-release)
structureFile
classesList of String, delimiter: ,[[:Category:Alpha-2 adrenergic agonists|Alpha-2 adrenergic agonist]] [[:Category:ADHD medicines|ADHD medicine]] [[:Category:Antihypertensives|Antihypertensive (historical)]]
mechanismString'"`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`"'.
usesString'"`UNIQ--vote-0000001B-QINU`"', '"`UNIQ--vote-0000001C-QINU`"', '"`UNIQ--vote-0000001D-QINU`"', '"`UNIQ--vote-0000001E-QINU`"', '"`UNIQ--vote-0000001F-QINU`"'
starting_doseStringIntuniv ER 1 mg PO once daily; titrate by 1 mg/week as tolerated to clinical response
preparationsStringExtended-release tablets 1, 2, 3, 4 mg (Intuniv); immediate-release tablets 1, 2 mg (Tenex)
fda_maxString7 mg/day in children and adolescents; weight-based ceiling (~0.12 mg/kg/day) applies in smaller patients
pill_idText
routesList of String, delimiter: ,Oral
onsetStringGradual; full clinical effect over 2-4 weeks of titration
durationString~24 hours (ER formulation supports once-daily dosing)
halflifeString~17-18 hours (Intuniv ER); ~17 hours (immediate-release)'"`UNIQ--ref-00000020-QINU`"'
bioavailabilityString~58% (extended-release); ~80% (immediate-release)'"`UNIQ--ref-00000021-QINU`"'
pregnancyStringLimited 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>
legalString[[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`"'