More common side effects of Vyvanse include:
- dry mouth, loss of appetite, weight loss;
- sleep problems (insomnia) [6];
- fast heart rate, feeling jittery;
- dizziness, feeling anxious or irritable;
- nausea, vomiting, stomach pain, diarrhea, constipation.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.