Some side effects can include:
trouble sleeping (insomnia), dry mouth, cough, decreased appetite, upset stomach, nausea or vomiting, dizziness, drowsiness, irritability, constipation, skin rash, itching, increased menstrual cramps, sexual side effects including impotence loss of interest in sex, or trouble having an orgasm.
More serious side effects can include:
fast, pounding, or uneven heartbeats, pain or burning when you urinate, talking more than usual, feelings of extreme happiness or sadness, tremors, hallucinations, unusual behavior, motor tics (muscle twitches), dangerously high blood pressure (severe headache, buzzing in your ears, anxiety, confusion, chest pain, shortness of breath, uneven heartbeats, seizure).
Speak with your doctor or pharmacist if any side effects become too severe during treatment with Strattera. If you experience any serious side effects speak with your doctor right away for medical treatment.