Atomoxetine (By mouth)


Atomoxetine (a-toe-MOX-e-teen)
Treats attention-deficit/hyperactivity disorder (ADHD).

Brand Name(s)

There may be other brand names for this medicine.


When This Medicine Should Not Be Used

You should not use this medicine if you or your child have had an allergic reaction to atomoxetine, if you or your child have narrow angle glaucoma, or have used an MAO inhibitor such as Eldepryl®, Marplan®, Nardil®, or Parnate® in the past 14 days. After you or your child stop using atomoxetine, do not use an MAO inhibitor for at least 14 days.

How to Use This Medicine

  • Your doctor will tell you how much of this medicine to use and how often. Your dose may need to be changed several times in order to find out what works best for you. Do not use more medicine or use it more often than your doctor tells you to.
  • This medicine should come with a Medication Guide. Read and follow these instructions carefully. Ask your doctor or pharmacist if you have any questions. Ask your pharmacist for the Medication Guide if you do not have one. Your doctor might ask you to sign some forms to show that you understand this information.
  • For children or teenagers, the dose may need to be changed several times in order to find out what works best for them. Pay close attention to any changes in behavior that might happen.
  • Swallow the capsule whole. Do not crush, break, chew, or open it.
  • You may take this medicine with or without food.
  • Avoid touching a broken or opened capsule. Wash your hands that touched an opened capsule with water immediately. If this medicine comes in contact with your eyes or your child's eyes, rinse it with water and call your doctor right away.
If a dose is missed:
  • If you miss a dose or forget to use your medicine, use it as soon as you can. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to make up for a missed dose.

How to Store and Dispose of This Medicine

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any leftover medicine after you have finished your treatment. You will also need to throw away old medicine after the expiration date has passed.
  • Keep all medicine away from children and never share your medicine with anyone.

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
  • Make sure your doctor knows if you are using dopamine (Intropin®), dobutamine (Dobutrex®), an asthma medicine (such as albuterol, Ventolin®), or a heart rhythm medicine (such as disopyramide, procainamide, quinidine, Norpace®, or Procanbid®). Tell your doctor if you are also using a medicine for depression such as fluoxetine, paroxetine, Luvox®, Paxil®, Prozac®, or Sarafem®.

Warnings While Using This Medicine

  • Make sure your doctor knows if you or your child are pregnant or breastfeeding, or if you or your child have liver disease, heart disease, blood vessel disease, heart rhythm problems, high or low blood pressure, or problems with urination. Tell your doctor if you have a history of mental illness or bipolar disorder.
  • Call your doctor right away if you or your child get swelling, hives, or if you develop any symptoms that concern you.
  • Tell your doctor right away if you or your child get a skin rash, dark urine, persistent loss of appetite, yellow eyes or skin, flu-like symptoms or right upper belly pain or tenderness. These could be symptoms of a serious liver problem.
  • This medicine may make you or your child dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
  • This medicine may cause slow growth. If your child is using this medicine, the doctor will need to keep track of your child's height and weight to make sure that your child is growing properly.
  • For some children and teenagers, this medicine can increase thoughts of suicide. All of the warnings in this leaflet are true for a child or teenager who is using this medicine. Tell your doctor right away if you start to feel more depressed. Also tell your doctor right away if you have thoughts about hurting yourself. Report any unusual thoughts or behaviors that trouble you, especially if they are new or get worse quickly. Make sure your caregiver knows if you have trouble sleeping, get upset easily, have a big increase in energy, or start to act reckless. Also tell your doctor if you have sudden or strong feelings, such as feeling nervous, angry, restless, violent, or scared. Let your doctor know if you or anyone in your family has bipolar disorder (manic-depressive) or has tried to commit suicide.
  • Your doctor will need to check your blood at regular visits while you are using this medicine. Be sure to keep all appointments.
  • Your doctor will need to check your progress at regular visits while you are using this medicine. Be sure to keep all appointments.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:
  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
  • Change in how much or how often you urinate.
  • Chest pain or shortness of breath.
  • Dark-colored urine or pale stools.
  • Fast, pounding, or irregular heartbeat.
  • Flu-like symptoms.
  • Headache, lightheadedness, dizziness, or fainting.
  • Mood changes, aggressiveness, irritability, or depression.
  • Nausea, vomiting, loss of appetite, constipation, upset stomach, or pain in your upper stomach.
  • Painful, prolonged erection of the penis.
  • Seeing, hearing, or feeling things that are not there.
  • Seizures or tremors.
  • Yellowing of your skin or the whites of your eyes.
If you notice these less serious side effects, talk with your doctor:
  • Changes in your menstrual cycle (periods), or menstrual cramps.
  • Dry mouth.
  • Loss of interest in sex, or trouble having sex.
  • Tiredness.
  • Trouble sleeping.
  • Warmth or redness in your face, neck, arms, or upper chest.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Review Date: 2011-02-04 Reviewed By: Keywords: ,
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