{"id":54136,"date":"2022-09-28T14:29:39","date_gmt":"2022-09-28T18:29:39","guid":{"rendered":"https:\/\/www.singlecare.com\/blog\/?p=54136"},"modified":"2026-03-04T16:17:35","modified_gmt":"2026-03-04T21:17:35","slug":"atomoxetine-side-effects","status":"publish","type":"post","link":"https:\/\/www.singlecare.com\/blog\/atomoxetine-side-effects\/","title":{"rendered":"Atomoxetine side effects and how to avoid them"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"#common-atomoxetine-side-effects\">Common atomoxetine side effects<\/a>\u00a0| <a href=\"#serious-side-effects\">Serious side effects<\/a> | <a href=\"#side-effects-timeline\">Side effects timeline<\/a> | <a href=\"#contraindications\">Contraindications<\/a> | <a href=\"#warnings\">Warnings<\/a> | <a href=\"#interactions\">Interactions<\/a> | <a href=\"#how-to-avoid-side-effects\">How to avoid side effects<\/a> | <a href=\"#how-to-treat-side-effects\">How to treat side effects<\/a><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Atomoxetine is the generic version of the brand-name drug, <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/strattera\"><span style=\"font-weight: 400;\">Strattera<\/span><\/a><span style=\"font-weight: 400;\">, used by prescription to treat attention-deficit\/hyperactivity disorder (<\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/adhd-treatment-and-medications\"><span style=\"font-weight: 400;\">ADHD<\/span><\/a><span style=\"font-weight: 400;\">) in children, teens, and adults. It is the best-known and most widely prescribed medication in a family of drugs called selective <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/norepinephrine-reuptake-inhibitors\"><span style=\"font-weight: 400;\">norepinephrine reuptake inhibitors<\/span><\/a><span style=\"font-weight: 400;\"> or selective NRIs (not to be confused with a class of <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/antidepressants\"><span style=\"font-weight: 400;\">antidepressants<\/span><\/a><span style=\"font-weight: 400;\"> called <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/snris\"><span style=\"font-weight: 400;\">SNRIs<\/span><\/a><span style=\"font-weight: 400;\">).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Healthcare professionals are uncertain why atomoxetine helps control ADHD symptoms like impulsivity and hyperactivity, but it probably has something to do with changing brain activity by rebalancing chemicals in the brain. As with all drugs that affect the brain, atomoxetine frequently causes side effects. Most are mild to moderate, but some are serious enough that patients or their caregivers should be aware of possible problems.\u00a0<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/prescription\/atomoxetine-hcl\"><b>Get Atomoxetine Coupons<\/b><\/a><b> \u00a0<\/b><\/p>\n<h2 id=\"common-atomoxetine-side-effects\"><span style=\"font-weight: 400;\">Common side effects of atomoxetine<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Atomoxetine\u2019s most common side effects vary by the age of the person taking it. For adults, the most common side effects are nausea and dry mouth; for children, the most common side effects are headache and stomach pain.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In <\/span><a href=\"https:\/\/www.pdr.net\/drug-summary\/Strattera-atomoxetine-294\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">roughly the order of incidence<\/span><\/a><span style=\"font-weight: 400;\">, then, here are the most <\/span><a href=\"https:\/\/online.epocrates.com\/drugs\/328105\/atomoxetine\/Adverse-Reactions\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">common side effects of atomoxetine<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nausea<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry mouth<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Headache<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stomach pain<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Insomnia<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weight loss (in children)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Drowsiness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vomiting<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fatigue<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/conditions\/constipation-treatment-and-medications\"><span style=\"font-weight: 400;\">Constipation<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dizziness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Erectile dysfunction<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Irritability<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Difficulty urinating<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fatigue<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disturbed sleep<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Abnormal dreams<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Depression<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ejaculation problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Upset stomach<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sweating<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Blurred vision<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Palpitations<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weight loss<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Painful periods<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chills<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Flushing<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Decrease in sexual interest<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Loss of appetite<\/span><\/li>\n<\/ul>\n<h2 id=\"serious-side-effects\"><span style=\"font-weight: 400;\">Serious side effects of atomoxetine<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The most serious side effects of atomoxetine are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Suicidal thoughts and behaviors (in children and young adults)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Abnormal thoughts or behaviors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Feeling faint when standing up (orthostatic hypotension)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heart rate or heart rhythm changes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Liver problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Muscle damage<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seizures<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stroke<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heart attack<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Liver failure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/conditions\/raynauds-treatment-and-medications\"><span style=\"font-weight: 400;\">Raynaud phenomenon<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Painful or prolonged erections<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Severe allergic reactions with symptoms including trouble breathing and hives<\/span><\/li>\n<\/ul>\n<h2 id=\"side-effects-timeline\"><span style=\"font-weight: 400;\">How soon do atomoxetine side effects start?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Many of atomoxetine\u2019s most common side effects typically start early in treatment. These include nausea, abdominal pain, dry mouth, drowsiness, sleep disturbances, vomiting, dizziness, fatigue, and others. Often these early side effects improve over the next few weeks. Delayed side effects include weight changes, appetite changes, and sexual dysfunction. Most critical, though, are suicidal thoughts and behaviors. The FDA warns that these are most likely in the first three months of treatment, so caregivers should monitor children and teens carefully in this critical early period.\u00a0<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How long do atomoxetine side effects last?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Many of the common side effects improve as the body adjusts to the drug. When they don\u2019t, they can be expected to get better when atomoxetine is discontinued. The half-life of atomoxetine is fairly short, so people can expect to start feeling better the day after the last dose. Some serious side effects such as stroke or heart attack, however, may have long-term or even lifelong consequences. These are rare side effects, though, and are often related to other pre-existing conditions.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">What are the long-term side effects of atomoxetine?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Atomoxetine is intended for long-term use\u2014months if not years. There are no side effects caused by the long-term use of atomoxetine.<\/span><\/p>\n<h2 id=\"contraindications\"><span style=\"font-weight: 400;\">Atomoxetine contraindications<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Atomoxetine is too hazardous for people to take who have certain pre-existing conditions. These include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Severe cardiovascular diseases that can be worsened by increases in blood pressure or heart rate including:\u00a0<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Symptomatic heart disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Symptomatic <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/congestive-heart-failure-treatment-and-medications\"><span style=\"font-weight: 400;\">heart failure<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Enlarged heart muscles (cardiomyopathy)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Heart defects<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Serious heart rhythm problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Severe coronary artery disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Severe high blood pressure.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Narrow-angle <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/glaucoma-treatment-and-medications\"><span style=\"font-weight: 400;\">glaucoma<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Adrenal gland tumor (pheochromocytoma)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Any history of allergic reactions to atomoxetine<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Pregnancy<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The risks of taking atomoxetine during pregnancy are unknown. It should be used only if the benefits outweigh the risks. So far, there is no evidence that atomoxetine causes birth defects or changes birth outcomes.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Breastfeeding<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">As with pregnancy, healthcare professionals do not know if there are risks of atomoxetine associated with breastfeeding. Atomoxetine is secreted into animal milk, so it\u2019s probably in human breast milk, too. If atomoxetine is used, the nursing infant should be watched for symptoms such as irritability, poor feeding, not gaining weight, or problems with sleep.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Children<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The Food and Drug Administration (FDA) has approved the use of atomoxetine to treat ADHD in pediatric patients as young as 6 years old. However, because of the risk of suicide, prescribers are advised to meet with and evaluate the child weekly during the first month of treatment and biweekly over the next two months. They should reconsider the prescription if the child displays behavior changes, mood swings, or symptoms of suicidality.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Atomoxetine can also slow down a child\u2019s growth, so weight and height should be regularly monitored.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Seniors<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Atomoxetine has not been studied in people older than 50, so its safety and effectiveness in older adults are unknown.<\/span><\/p>\n<h2 id=\"warnings\"><span style=\"font-weight: 400;\">Atomoxetine warnings<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">One way to avoid problems with atomoxetine is to read the drug information that comes with this medication. Among the warnings, here are some of the most important.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Black box warning<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Atomoxetine comes with an FDA-mandated black-box warning about the increased risk for suicidal thoughts and behaviors in children and adolescents taking atomoxetine. In 12 atomoxetine studies, approximately 0.4% of children\u2014that translates to 1 in every 250 children\u2014started thinking about suicide in the first 12 weeks of treatment. The full warning can be read in the <\/span><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=6f6bea0c-297b-43ff-8960-ecc11243e06e\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">drug\u2019s information sheet<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Cautions<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Some medical conditions can be worsened by atomoxetine. This means that dose adjustments or more careful monitoring may be required in people with:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cardiovascular diseases that can be worsened by higher blood pressure or faster heartbeats caused by atomoxetine including:<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">High blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Fast heartbeats<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Heart disease<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">Cerebrovascular disease such as stroke<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Slow heart rate, heart failure, or other cardiovascular problems that can be affected by changes in the heart\u2019s rhythm caused by atomoxetine<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seizure disorders<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/conditions\/bipolar-disorder-treatment-and-medications\"><span style=\"font-weight: 400;\">Bipolar disorder<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/conditions\/depression-treatment-and-medications\"><span style=\"font-weight: 400;\">Depression<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">History of suicide or risk factors for suicide<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Liver problems<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Some people break down drugs like atomoxetine slowly because a critical liver enzyme called CYP2D6 doesn\u2019t work as well as it does in other people. Normal doses of certain drugs are too much for them, so genetic testing and reduced doses will be required to take drugs like atomoxetine safely.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Abuse and dependence<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Studies have shown that atomoxetine does not have a risk for abuse or physical dependence, though instances of inappropriate use of the drug have been reported.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Overdose<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">An overdose of atomoxetine will require emergency medical treatment, particularly if the overdose has been taken with other drugs. Symptoms of an atomoxetine overdose include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Digestive system complaints<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sleepiness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dizziness<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tremor<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Behavior changes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hyperactivity<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agitation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pupil dilation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dry mouth<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Elevated blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Racing heartbeats<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hallucinations<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Disorientation<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seizures<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The maximum dosage is 100 mg per day for adults but will be lower for children weighing less than 154 pounds (70 kg). For safety\u2019s sake, only take the dose of medication that is prescribed for you.\u00a0<\/span><\/p>\n<h2 id=\"interactions\"><span style=\"font-weight: 400;\">Atomoxetine interactions<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">As with other drugs that affect the brain, atomoxetine has some drug interactions that people should be aware of. The most important interactions involve a family of drugs called monoamine oxidase inhibitors (<\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/maois\"><span style=\"font-weight: 400;\">MAOIs<\/span><\/a><span style=\"font-weight: 400;\">) such as <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/nardil\"><span style=\"font-weight: 400;\">Nardil<\/span><\/a><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/phenelzine-sulfate\"><span style=\"font-weight: 400;\">phenelzine)<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/marplan\"><span style=\"font-weight: 400;\">Marplan<\/span><\/a><span style=\"font-weight: 400;\"> (isocarboxazid), <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/zelapar\"><span style=\"font-weight: 400;\">Zelapor<\/span><\/a><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/selegiline-hcl\"><span style=\"font-weight: 400;\">selegiline<\/span><\/a><span style=\"font-weight: 400;\">), and <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/parnate\"><span style=\"font-weight: 400;\">Parnate<\/span><\/a><span style=\"font-weight: 400;\"> ( <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/tranylcypromine-sulfate\"><span style=\"font-weight: 400;\">tranylcypromine<\/span><\/a><span style=\"font-weight: 400;\">). These are never taken with atomoxetine because of the possibility of several bad side effects including sudden death. If an MAO inhibitor is being taken, then it must be stopped for two weeks before atomoxetine can be prescribed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other drugs can be taken with atomoxetine, but only with reduced doses or heightened monitoring of side effects. These drugs include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/conditions\/asthma-treatment-and-medications\"><span style=\"font-weight: 400;\">Asthma<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/copd-treatment-and-medications\"><span style=\"font-weight: 400;\">COPD<\/span><\/a><span style=\"font-weight: 400;\"> medications called <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/beta-agonists\"><span style=\"font-weight: 400;\">beta agonists<\/span><\/a><span style=\"font-weight: 400;\"> such as <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/albuterol-sulfate\"><span style=\"font-weight: 400;\">albuterol<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/conditions\/blood-pressure-treatment-and-medications\"><span style=\"font-weight: 400;\">Blood pressure<\/span><\/a><span style=\"font-weight: 400;\"> drugs<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Some drugs change the heart\u2019s rhythm and can worsen heart rhythm side effects caused by atomoxetine. The most serious are:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/drug-classes\/antiarrhythmics\"><span style=\"font-weight: 400;\">Heart rhythm drugs<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/drug-classes\/macrolides\"><span style=\"font-weight: 400;\">Macrolide antibiotics<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/drug-classes\/ssris\"><span style=\"font-weight: 400;\">SSRIs<\/span><\/a><span style=\"font-weight: 400;\"> such as <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/paxil\"><span style=\"font-weight: 400;\">Paxil<\/span><\/a><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/paroxetine-hcl\"><span style=\"font-weight: 400;\">paroxetine<\/span><\/a><span style=\"font-weight: 400;\">) and <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/prozac\"><span style=\"font-weight: 400;\">Prozac<\/span><\/a><span style=\"font-weight: 400;\"> (<\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/fluoxetine-hcl\"><span style=\"font-weight: 400;\">fluoxetine<\/span><\/a><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/blog\/snris\/\"><span style=\"font-weight: 400;\">SNRIs<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Some <\/span><a href=\"https:\/\/www.singlecare.com\/conditions\/hiv-treatment-and-medications\"><span style=\"font-weight: 400;\">AIDS\/HIV<\/span><\/a><span style=\"font-weight: 400;\"> drugs<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Some drugs can raise blood pressure, so the combination increases the risk of high blood pressure when taken with atomoxetine. These include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/drug-classes\/vasopressors\"><span style=\"font-weight: 400;\">Vasopressors<\/span><\/a><span style=\"font-weight: 400;\"> (drugs that increase blood pressure like <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/epinephrine\"><span style=\"font-weight: 400;\">epinephrine<\/span><\/a><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/drug-classes\/nsaids\"><span style=\"font-weight: 400;\">NSAIDs<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stimulants<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Other ADHD drugs like <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/methylphenidate-hcl\"><span style=\"font-weight: 400;\">methylphenidate<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.singlecare.com\/conditions\/migraine-treatment-and-medications\"><span style=\"font-weight: 400;\">Migraine<\/span><\/a><span style=\"font-weight: 400;\"> drugs called ergots<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Estrogen<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dopamine-raising drugs\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Caffeine<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Finally, some drugs tie up the liver enzyme the body uses to break down atomoxetine. As a result, atomoxetine levels build up in the body and soon become toxic, raising the risk of side effects. Both the prescriber and pharmacist know about these drugs and will adjust doses if they\u2019re being taken.\u00a0<\/span><\/p>\n<p><b>RELATED: <\/b><a href=\"https:\/\/www.singlecare.com\/blog\/strattera-vs-adderall\/\"><b>Strattera vs. Adderall: Differences, similarities, and which is better for you<\/b><\/a><\/p>\n<h2 id=\"how-to-avoid-side-effects\"><span style=\"font-weight: 400;\">How to avoid atomoxetine side effects<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Side effects can be expected when taking atomoxetine. Not all of them can be prevented, but that doesn\u2019t mean that they can\u2019t be minimized with a few basic measures.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">1. Take atomoxetine as directed<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">One of the best ways to avoid side effects is to take the drug as prescribed. Be sure to read the medication guide provided with your prescription. Don\u2019t take more than prescribed and don\u2019t take it more times per day than prescribed. One of the most common ways to overdose is to take extra doses to make up for a missed dose. Don\u2019t do it. A forgotten dose can be taken if it\u2019s remembered in time. However, if it\u2019s almost time for the next dose, skip the dose that was missed and take the next dose as scheduled. Always swallow the capsules whole rather than crushing, chewing, or breaking them open.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">2. Share a complete medical history with the prescriber<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Another proven way to prevent side effects is to make sure the prescriber has a complete medical history. For atomoxetine, the prescriber will particularly <\/span><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=309de576-c318-404a-bc15-660c2b1876fb\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">need to know about<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Heart problems\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Any family history of heart problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">High blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mental health issues such as depression, bipolar disorder, mania, or psychosis<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Suicidal thoughts or attempts<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Low blood pressure<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Liver problems<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pregnancy or pregnancy plans<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Breastfeeding or breastfeeding plans<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">3. Tell the prescriber about other drugs being used<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Because drug interactions can worsen atomoxetine side effects, make sure the prescriber also has a complete picture of all the prescription drugs, over-the-counter medications, and supplements being taken, too.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">4. Eat a healthy diet<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A healthy diet is very important for children taking atomoxetine since growth suppression and weight loss are both problems in the first year of treatment. If there is any doubt, ask the prescriber or nutritionist for a recommended diet.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">5. Take the daily dose in the morning<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">If atomoxetine is being taken once per day, taking the dose early in the morning can help prevent sleeping problems at night.<\/span><\/p>\n<h2 id=\"how-to-treat-side-effects\"><span style=\"font-weight: 400;\">How to treat side effects of atomoxetine<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Side effects can be expected when taking atomoxetine, even when taking measures to keep them at arm\u2019s length. When they do happen, some can be managed at home, but others will require professional medical help.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Headaches<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">In some cases, drinking fluids and resting can help with a headache. You can use <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/acetaminophen\"><span style=\"font-weight: 400;\">acetaminophen<\/span><\/a><span style=\"font-weight: 400;\"> as a pain reliever, but <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/aspirin\"><span style=\"font-weight: 400;\">aspirin<\/span><\/a><span style=\"font-weight: 400;\"> or <\/span><a href=\"https:\/\/www.singlecare.com\/prescription\/ibuprofen\"><span style=\"font-weight: 400;\">ibuprofen<\/span><\/a><span style=\"font-weight: 400;\"> might add to atomoxetine side effects. If headaches are severe or prolonged, contact the prescribing healthcare provider.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Drowsiness and dizziness<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">When dizziness or drowsiness strikes, the best remedy is to sit or lie down and take it easy. The primary goal is to avoid falls, accidents, or injuries.\u00a0<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Nausea and vomiting<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Drink plenty of fluids but in small quantities. It\u2019s okay to take an <\/span><a href=\"https:\/\/www.singlecare.com\/drug-classes\/antihistamines\"><span style=\"font-weight: 400;\">antihistamine<\/span><\/a><span style=\"font-weight: 400;\">. If vomiting is severe or prolonged, talk to a healthcare professional.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Sleep disturbances<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">If insomnia or other sleep issues are a problem, take the daily dose as early as possible in the day. If atomoxetine is being taken twice per day\u2014once in the morning and once in the early evening\u2014ask the prescriber about switching to a once-a-day dose. If sleep problems are interfering with daily life, ask the prescriber for medical advice.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Liver problems<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Atomoxetine can cause liver injury. When this happens, contact the prescriber or other healthcare professional. Liver dysfunction can only be diagnosed with a blood test, but sometimes symptoms are a clue:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Upper abdominal pain<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dark urine<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pale or clay-colored stools<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Flu-like symptoms<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Yellowing of the skin or eyes<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">Suicidal thoughts and behaviors<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A person who is thinking about or planning suicide requires immediate medical help. Contact a healthcare professional at any significant sign of suicidality including:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thinking or talking about suicide<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Planning or attempting suicide<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thinking about or talking about death<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">New or worsening depression or anxiety<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aggressive, hostile, or violent behavior<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agitation, restlessness, irritability, or anger<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Panic attacks<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Any other new or sudden change in mood<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Risk-taking behaviors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Extreme increase in activity or talking<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trouble sleeping<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Sources<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/online.epocrates.com\/drugs\/328101\/atomoxetine\/Adult-Dosing\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Atomoxetine<\/span><\/a><span style=\"font-weight: 400;\">, Epocrates<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/www.pdr.net\/drug-summary\/Strattera-atomoxetine-294\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Atomoxetine drug summary<\/span><\/a><span style=\"font-weight: 400;\">, Prescriber\u2019s Digital Reference<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=6f6bea0c-297b-43ff-8960-ecc11243e06e\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Atomoxetine capsule prescribing information<\/span><\/a><span style=\"font-weight: 400;\">, U.S. National Library of Medicine<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/dailymed.nlm.nih.gov\/dailymed\/drugInfo.cfm?setid=309de576-c318-404a-bc15-660c2b1876fb\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Strattera prescribing information<\/span><\/a><span style=\"font-weight: 400;\">, U.S. National Library of Medicine<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Common atomoxetine side effects\u00a0| Serious side effects | Side effects timeline | Contraindications | Warnings | Interactions | How to avoid side effects | How to treat side effects Atomoxetine is the generic version of the brand-name drug, Strattera, used by prescription to treat attention-deficit\/hyperactivity disorder (ADHD) in children, teens, and adults. It is the [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":54138,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4589],"tags":[15107,12752],"coauthors":[8861],"class_list":["post-54136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drug-info","tag-adhd","tag-medication-side-effects","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Atomoxetine side effects and how to avoid them | SingleCare<\/title>\n<meta name=\"description\" content=\"Nausea, dry mouth, and headache are common atomoxetine side effects. 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