Not Medical Advice: Brown, Capsule-shape pill with imprint "NVR D10" has been identified as Focalin XR 10 mg. It is supplied by Novartis Pharmaceuticals.
Focalin XR belongs to the drug class CNS stimulant. Dexmethylphenidate is a mild stimulant to the central nervous system. It affects chemicals in the brain that contribute to hyperactivity and impulse control.
Dexmethylphenidate is used to treat attention deficit hyperactivity disorder (ADHD).
Check out some tips for managing ADHD symptoms and getting focused at HelpGuide.org.