Methylphenidate is used in the treatment of attention deficit hyperactivity disorder (ADHD).
How Methylphenidate Works Methylphenidate is a central nervous system stimulant. It functions by enhancing the activity of specific areas of the brain through the elevation of certain chemicals, namely norepinephrine and dopamine.
Common side effects of Methylphenidate include headache, insomnia (difficulty sleeping), abdominal pain, and nervousness.