Dexedrine Spansules and Istradefylline

• Generic Name: dextroamphetamine
• Dosage Forms: capsule, extended release
• Other Brand Names: Dexedrine Spansule, ProCentra, Zenzedi, Dexedrine, Dextrostat, Liquadd

Dextroamphetamine is used to treat attention-deficit hyperactivity disorder (ADHD) and narcolepsy (uncontrollable desire for sleep or a sudden attack of deep sleep). It belongs to the group of medicines called central nervous system (CNS) stimulants.

Dextroamphetamine works in the treatment of ADHD by increasing attention and decreasing restlessness in children and adults who are overactive, cannot concentrate for very long, or are easily distracted and impulsive. This medicine is used as part of a total treatment program that also includes social, educational, and psychological treatment.

This medicine is available only with a doctor's prescription. Prescriptions cannot be refilled. A new prescription must be obtained from your doctor each time you or your child needs this medicine.

• Generic Name: istradefylline
• Dosage Forms: n.a.
• Other Brand Names: Nourianz

Istradefylline is given with levodopa and carbidopa to treat "wearing-off" episodes (muscle stiffness, loss of muscle control) in people with Parkinson's disease.

Istradefylline may also be used for purposes not listed in this medication guide.