Generic Name: atomoxetine (AT oh mox e teen)
Brand Name: Strattera
Medically reviewed: September 1, 2017
What is atomoxetine?
Atomoxetine affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control.
Atomoxetine is used to treat attention deficit hyperactivity disorder (ADHD).
Atomoxetine may also be used for purposes not listed in this medication guide.
Do not use atomoxetine if you have taken an MAO inhibitor in the past 14 days, including isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.
Atomoxetine has caused stroke, heart attack, and sudden death in people with high blood pressure, heart disease, or a heart defect.
Some young people have thoughts about suicide when first taking atomoxetine, or whenever the dose is changed. Stay alert to changes in your mood or symptoms, especially if you have ever had suicidal thoughts.
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.
To make sure this medicine is safe for you, tell your doctor if you or anyone in your family has ever had:
depression, mental illness, bipolar disorder, psychosis;
suicidal thoughts or actions;
Some young people have thoughts about suicide when first taking atomoxetine, or whenever the dose is changed. Your doctor should check your progress at regular visits. Your family or other caregivers should also be alert to changes in your mood or symptoms.
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
It is not known whether atomoxetine passes into breast milk or if it could affect a nursing baby. Tell your doctor if you are breast-feeding a baby.
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. Your doctor may occasionally change your dose. Do not use this medicine in larger or smaller amounts or for longer than recommended.
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.
Do not crush, chew, break, or open an atomoxetine capsule. Swallow it whole. Tell your doctor if you have trouble swallowing the capsules.
Use atomoxetine regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.
Do not use a capsule that has been opened or accidentally broken. The medicine from inside the capsule can be dangerous if it gets in your eyes. If this occurs, rinse your eyes with water. Ask your doctor or pharmacist how to safely handle and dispose of a broken capsule.
While taking atomoxetine, your doctor will need to check your progress at regular visits. Your 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 missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
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.
What should I avoid while taking atomoxetine?
Avoid using or handling an open or broken capsule. If the medicine from inside the capsule gets in your eyes, rinse them thoroughly with water and call your doctor.
Atomoxetine may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Atomoxetine side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Report any new or worsening symptoms to your doctor, such as: anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, hyperactive (mentally or physically), depressed, or have thoughts about suicide or hurting yourself.
Atomoxetine can affect growth in children. Tell your doctor if your child is not growing at a normal rate while using this medicine.
Stop using this medicine and call your doctor at once if you have:
signs of heart problems--chest pain, trouble breathing, feeling like you might pass out;
signs of psychosis--hallucinations (seeing or hearing things that are not real), new behavior problems, aggression, hostility, paranoia;
liver problems--stomach pain (upper right side), itching, flu-like symptoms, dark urine, jaundice (yellowing of the skin or eyes);
painful or difficult urination; or
erection is painful or lasts longer than 4 hours (this is a rare side effect).
Common side effects may include:
dry mouth, loss of appetite;
mood changes, feeling tired;
urination problems; or
impotence, trouble having an erection.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect atomoxetine?
Tell your doctor about all your current medicines and any you start or stop using, especially:
blood pressure medicine; or
This list is not complete. Other drugs may interact with atomoxetine, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 12.01.
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- Drug class: CNS stimulants