Common side effects include:
- Upper belly pain
- Weight loss
- Decreased appetite
- Dry mouth
- Trouble sleeping
Vyvanse is a stimulant medicine. The following have been reported with use of stimulant medicines.
- Sudden death in patients who have heart problems or heart defects
- Stroke and heart attack in adults
- Increased blood pressure and heart rate
Tell your doctor if you or your child have any heart problems, heart defects, high blood pressure, or a family history of these problems. Call your doctor right away if you or your child has any signs of heart problems such as chest pain, shortness of breath, or fainting while taking Vyvanse.
Mental (Psychiatric) problems:
- New or worse behavior and thought problems
- New or worse bipolar illness
- New or worse aggressive behavior or hostility
Children and Teenagers
- New psychotic symptoms (such as hearing voices, believing things that are not true, are suspicious) or new manic symptoms
Tell your doctor about any mental problems you or your child have, or about a family history of suicide, bipolar illness, or depression.
Call your doctor right away if you or your child have any new or worsening mental symptoms or problems while taking Vyvanse, especially seeing or hearing things that are not real, believing things that are not real, or are suspicious.
Other serious side effects include:
- Slowing of growth (height and weight) in children
- Seizures, mainly in patients with a history of seizures
- Eyesight changes or blurred vision