Medications for Autism and ADHD Medicines can be helpful to children with autism and ADHD. They aren't able to treat autism, but they can relieve symptoms such as irritability and aggressiveness. Stimulants, like methylphenidate (Ritalin) and amphetamine (Adderall, Dexedrine, Vyvanse, Dyanavel), are frequently prescribed to children suffering from ADHD. However,