Some people have thoughts about suicide while taking atomoxetine. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.
Do not use  atomoxetine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.
Atomoxetine may cause new or worsening psychosis (unusual thoughts or behavior), especially if you have a history of depression, mental illness, or bipolar disorder.
Atomoxetine has caused stroke, heart attack, and sudden death in people with high blood pressure, heart disease, or a heart defect.
Before taking this medicine
Do not use atomoxetine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.
You should not use atomoxetine if you are allergic to it, or if you have:
severe heart or blood vessel problems;
narrow-angle glaucoma; or
pheochromocytoma (tumor of the adrenal gland).
Atomoxetine has caused stroke, heart attack, and sudden death in certain people. Tell your doctor if you have:
heart problems or a congenital heart defect;
high blood pressure; or
a family history of heart disease or sudden death.
Tell your doctor if you have ever had:
depression, mental illness, bipolar disorder, psychosis;
suicidal thoughts or actions;
low blood pressure; or
liver disease.
Some people have thoughts about suicide while taking atomoxetine. Your doctor will need to check your progress at regular visits. Your family or other caregivers should also be alert to changes in your mood or symptoms.
Tell your doctor if you are pregnant or plan to become pregnant.
If you are pregnant, your name may be listed on a pregnancy registry to track the effects of atomoxetine on the baby.
It may not be safe to breastfeed while using this medicine. Ask your doctor about any risk.
Atomoxetine is not approved for use by anyone younger than 6 years old.
How should I take atomoxetine?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Take the medicine at the same time each day, with a full glass of water.
Atomoxetine is usually taken once daily in the morning, or two times per day in the morning and late afternoon. Follow your doctor's instructions.
You may take atomoxetine with or without food.
Swallow the capsule whole and do not crush, chew, break, or open it. Tell your doctor if you have trouble swallowing the capsules.
Your doctor will need to check your progress on a regular basis. Your blood, heart rate, blood pressure, height and weight may also need to be checked often.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include drowsiness, dizziness, stomach problems, tremors, or unusual behavior.
