Focalin XR and Ravicti

• Generic Name: dexmethylphenidate
• Dosage Forms: capsule, extended release
• Other Brand Names: Focalin, Focalin XR

Focalin XR is a mild stimulant to the central nervous system. It affects chemicals in the brain that contribute to hyperactivity and impulse control.

Focalin XR is used to treat attention deficit hyperactivity disorder (ADHD).

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

• Generic Name: glycerol phenylbutyrate
• Dosage Forms: oral liquid
• Other Brand Names: Ravicti

Ravicti (glycerol phenylbutyrate) binds with other substances in the liver and kidneys to help eliminate nitrogen from the body. Excess nitrogen can cause hyperammonemia, a build-up of ammonia in the blood. Ammonia is very toxic when it circulates in blood and tissues and can cause permanent brain damage, coma, or death.

Ravicti helps prevent a build-up of ammonia in the blood in people with urea cycle disorder. This medicine is used in adults, children and infants. Ravicti will not treat hyperammonemia.

Ravicti is usually given together with a low-protein diet and sometimes dietary supplements.