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serdexmethylphenidate/ dexmethylphenidate methylphenidate hydrochloride Aptensio XR Concerta methamphetamine hydrochloride Contempla XR ODT Daytrana patch Within an hour Within 2 hours First peak effect 1.5 hours Second peak effect 6.5 Jornay PM Metadate CD Metadate ER Methylin ER Quillichew ER Ritalin-SR Ritalin LA 8 to 10 hours First 4 hours about 2 hours about 45 minutes 22 to 24 hours (10 to 12 hours after delayed onset) Up to 12 hours 8 hours 8 hours Up to 8 hours 8 hours 8 hours dextroamphetamine sulfate dextroamphetamine sulfate (oral solution) Dexedrine Spansule Dexedrine ProCentra 30 minutes Immediate Immediate 6 to 9 hours 4 to 6 hours Vyvanse chewable Vyvanse Nonstimulant ADHD Medication While stimulants are effective for some people with ADHD, they have one major drawback: They are controlled drugs with the potential for dependence and misuse

Small, frequent sips of water or an oral rehydration solution (like Pedialyte) are better than gulping large amounts that your slow-emptying stomach may reject

Psychiatry 91 , 350358 (2020)

Ask Before You Choose: membership fee, medication range, dose changes, labs, and required follow-up costs

Neuropeptides in learning and memory