Before taking atomoxetine,
tell your doctor and pharmacist if you are allergic to atomoxetine, any other medications, or any of the ingredients in atomoxetine capsules.
tell your doctor if you are taking monoamine oxidase (MAO) inhibitors, including isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Emsam, Zelapar), and tranylcypromine (Parnate), or if you have stopped taking them within the past 2 weeks. Your doctor will probably tell you not to take atomoxetine. If you stop taking atomoxetine, you should wait at least 2 weeks before you start taking an MAO inhibitor.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: albuterol syrup or tablets (Proventil, Ventolin), amiodarone (Cordarone, Pacerone), bupropion (Wellbutrin), chlorpheniramine (antihistamine in cold medications),cimetidine (Tagamet), clomipramine (Anafranil), fluoxetine (Prozac, Sarafem), haloperidol (Haldol), metaproterenol syrup or tablets , medications for high blood pressure, methadone (Dolophine), metoclopramide (Reglan), nefazodone, paroxetine (Paxil), quinidine, ritonavir (Norvir), and sertraline (Zoloft). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor if you have or have ever had glaucoma (an eye disease that may cause vision loss), or pheochromocytoma (a tumor on a small gland near the kidneys). Your doctor will probably tell you not to take atomoxetine.
tell your doctor if anyone in your family has or has ever had an irregular heartbeat or has died suddenly. Tell your doctor if you have recently had a heart attack and if you have or have ever had a heart defect, high blood pressure, an irregular heartbeat, hardening of the arteries, heart or blood vessel disease, or other heart problems. Your doctor will examine you to see if your heart and blood vessels are healthy. Your doctor will probably tell you not to take atomoxetine if you have a heart condition or if there is a high risk that you may develop a heart condition.
tell your doctor if you or anyone in your family has or has ever had depression, bipolar disorder (manic depressive disorder; a condition that causes episodes of depression, episodes of frenzied, abnormal excitement and other abnormal moods), or has ever thought about or attempted suicide. Also tell your doctor if you have or have ever had seizures, or liver disease.
tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking atomoxetine, call your doctor.
you should know that atomoxetine may make you drowsy. Do not drive a car or operate machinery until you know how this medication affects you.
you should know that atomoxetine may cause dizziness, lightheadedness, and fainting when you get up too quickly from a lying position. To avoid this problem, get out of bed slowly, resting your feet on the floor for a few minutes before standing up.
you should know that atomoxetine should be used as part of a total treatment program for ADHD, which may include counseling and special education. Make sure to follow all of your doctor's and/or therapist's instructions.
you should know that your blood pressure may increase during your treatment with atomoxetine. Your doctor will monitor your blood pressure during your treatment.