Attvanse 30mg Price In Pakistan | ADHD Medicine & Benefits Attvanse 30mg is a prescription medicine used for the treatment of Attention Deficit Hyperactivity Disorder (ADHD). It contains Lisdexamfetamine Dimesylate, a long-acting stimulant that helps improve attention, focus, and impulse control. Attvanse is a generic brand of Vyvanse and works by increasing certain chemicals in the brain to help with concentration and reduce hyperactivity.