In children, the most common side effects were upset stomach, decreased appetite, nausea or vomiting, tiredness, and drowsiness.
In adults, the most common
side effects were constipation, dry mouth, nausea, decreased appetite, dizziness, problems sleeping, sexual side effects, problems urinating, and menstrual cramps. Most people in clinical studies who experienced side effects were not bothered enough to stop using Strattera.