Adderall is an addictive medicine therefore it may have a lot of severe side effects as well as withdrawal symptoms. Common side effects of Adderall medicine may include the following: • Headache • Insomnia • Loss of appetite • Abdominal pain • Weight loss • Anxiety • Diarrhea • Dizziness • Dry mouth This is not a complete list of side effects of Adderall. It would be best if you asked your doctor or pharmacist for further information and guideline. Amphetamines have a high potential for abuse. Administration of amphetamines for very long periods of time may result in drug dependence and must be avoided at all costs. Special attention should be paid to the possibility of subjects taking amphetamines for non-therapeutic use or distribution to others, and the medications should be prescribed or dispensed sparingly. Misuse of amphetamine may cause sudden death and severe cardiovascular unfavorable effects.