Atomoxetine affects the chemicals in the brain and nerves that control impulse control and hyperactivity. It is primarily used to treat ADHD. It is not approved for use in patients under 6.

Take at the same time every day with a full glass of water. Usual schedule is once in the morning or twice a day in the morning and late afternoon. Use regularly for best results.

Inform your doctor of your medical history, especially if you’ve had glaucoma, hypertension, cardiovascular disease, adrenal gland tumor, and all drugs you take. Do not use atomoxetine if you’ve taken a MAO inhibitor within the past 14 days. Be aware of unusual changes in mood and behavior. Also inform your doctor if you become pregnant and of your family’s medical history.

May cause or worsen psychosis, especially if you have history of mental disorders. May cause heart attack, stroke, or sudden death. Young people may experience thoughts of suicide. Get emergency help if you suspect allergic reaction or overdose. Report worsening symptoms to your doctor, including anxiety, panic attacks, impulsivity, irritability, aggression, hyperactivity, depression, and self-harming thoughts. May affect growth in children. Cease use and tell your doctor at once if you experience serious side effects such as: symptoms of a heart problem, psychosis, liver problems, difficult urination, erection that lasts longer than 4 hours. Other side effects include upset digestion, mood changes, fatigue, loss of appetite, dry mouth, dizziness, urination issues, impotence.