Mechanism of Action:
Methylphenidate class stimulants act by increasing the release of norepinephrine and dopamine and blocking their reuptake.
Methylphenidate Class Stimulants:
Methylphenidate (generic) – Duration 3-5 hours for immediate release version, duration 4-8 hours for extended release version
Ritalin (methylphenidate) – Duration 3-5 hours
Ritalin SR (methylphenidate) – Duration 4-8 hours
Ritalin LA (methylphenidate) – Duration 8-12 hours
Methylin (methylphenidate) – Duration 3-5 hours
Methylin ER (methylphenidate) – Duration 4-8 hours
Metadate ER (methylphenidate) – Duration 4-8 hours
Metadate CD (methylphenidate) – Duration 8-12 hours
Concerta (methylphenidate) – Duration 8-12 hours
Daytrana (methylphenidate transdermal) – Duration 2 hours after application until up to 5 hours after removal
Focalin (dexmethylphenidate) – Duration 3-5 hours
Focalin XR (dexmethylphenidate) – Duration 8-12 hours
Article written 12/19/09 by Minyang Mao, M.D.
Disclaimer: This article is intended as an educational resource only, and is not intended to be a replacement for treatment. For evaluation and treatment, please contact a qualified mental health professional.
Content © 2009 Minyang Mao, M.D. All rights reserved.
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