Methylphenidate HCl 10mg, 20mg; ext-rel tabs. The mechanism of action of methylphenidate is not completely understood, but it presumably activates the brain stem arousal system and cortex to produce ...

Methylphenidate is a stimulant that can help treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. Most people know it as Ritalin, although many other brands of the drug are available.

Becca Stanek is an experienced writer and editor who is passionate about exploring the ways we can feel better mentally and physically to get the most out of our lives. She has worked for publications ...