Biglyon541
Greenlighter
I got some adderall 20mg ir's the other night and was wondering how long it takes for the effects to wear off? or more importantly how long the half life is?
source: http://www.accessdata.fda.gov/drugsatfda_docs/label/2007/021303s015lbl.pdfA single dose of ADDERALL XR® 20 mg capsules provided comparable plasma concentration profiles of both
d-amphetamine and l-amphetamine to ADDERALL® (immediate-release) 10 mg bid administered 4 hours apart.
The mean elimination half-life for d-amphetamine is 10 hours in adults; 11 hours in adolescents aged 13-17 years
and weighing less than or equal to 75 kg/165 lbs; and 9 hours in children aged 6 to 12 years. For the l-
amphetamine, the mean elimination half-life in adults is 13 hours; 13 to 14 hours in adolescents; and 11 hours in
children aged 6 to 12 years. On a mg/kg body weight basis children have a higher clearance than adolescents or
adults (See Special Populations).