Adderall XR 30 mg helps people to focus on attention and control behavior. Generic Adderall XR 30 mg is used for treating attention deficit Hyperactivity disorder and narcolepsy by the doctor precautions . Its common side effects are decreased appetite and weight loss , trouble sleeping or insomnia . This 30 mg of Adderall XR is taken with only doctors permission . and it was very risky for humans health because the over dose of medicine was very dangerous .