{"formatVersion":"1.1","id":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects","path":"/library/amoxapine-uses-dosage-side-effects","url":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects","title":"Amoxapine (Asendin)","family":"Library detail","description":"Amoxapine (Asendin) is an antidepressant used to treat major depressive disorder and other conditions. Learn more about how it is used, interactions, and more.","language":"en-US","access":{"audience":"custom-shared-preview","indexable":true},"provenance":{"sourceUrl":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects","wordpressId":"209","contentCompleteness":"complete","dateScope":"original-source"},"authors":[{"@type":"Person","@id":"https://www.mentalhealth.com/people/ethan-cullen#person","name":"Ethan Cullen","url":"https://www.mentalhealth.com/people/ethan-cullen"}],"reviewer":{"@type":"Person","@id":"https://www.mentalhealth.com/people/leila-khurshid#person","name":"Leila Khurshid, Pharm.D.","url":"https://www.mentalhealth.com/people/leila-khurshid"},"dates":{"datePublished":"2022-10-31T20:00:00Z","dateModified":"2025-08-24T20:19:05Z","lastReviewed":"2022-11-01"},"content":{"html":"<div><nav aria-label=\"Breadcrumb\" class=\"breadcrumbs\"><ol><li><a href=\"https://www.mentalhealth.com/\">Home</a></li><li><a href=\"https://www.mentalhealth.com/library\">Library</a></li><li><a href=\"https://www.mentalhealth.com/library/medications\">Medications</a></li><li><span aria-current=\"page\">Amoxapine (Asendin)</span></li></ol></nav><div class=\"article-page article-standard\" data-library-standard=\"\"><div class=\"article-main-grid\"><header class=\"article-heading\"><h1>Amoxapine (Asendin)</h1><p class=\"article-inline-credits\"><span>Written by <a class=\"article-credit-person\" href=\"https://www.mentalhealth.com/people/ethan-cullen\"><img alt=\"\" height=\"22\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/cd94ef374fa55302345c2afb.jpg\" width=\"22\" decoding=\"async\">Ethan Cullen</a></span><span>Medically reviewed by <a class=\"article-credit-person\" href=\"https://www.mentalhealth.com/people/leila-khurshid\"><img alt=\"\" height=\"22\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/90339bb61ace127cee8df5f2.webp\" width=\"22\" decoding=\"async\">Leila Khurshid, Pharm.D.</a></span></p><div class=\"article-dates\"><span>Published on <time datetime=\"2022-10-31T20:00:00Z\">October 31, 2022</time></span><span aria-hidden=\"true\"> · </span><span>Updated on <time datetime=\"2025-08-24T20:19:05Z\">August 24, 2025</time></span></div></header><div class=\"article-jumpbar\"></div><div class=\"article-layout\"><div class=\"article-reading\"><article class=\"prose\" id=\"article-content\"><div class=\"article-intro\" data-source-field=\"hero\"><p>Amoxapine is an antidepressant drug used to treat <a href=\"https://www.mentalhealth.com/library/depression\" class=\"article-inline-link\" data-context-link=\"355\">symptoms of depression</a>, anxiety, and other mental disorders. It should only be used when prescribed by a doctor, as taking it with certain medical conditions or allergies can cause some severe adverse reactions.</p></div><figure class=\"article-feature\"><img alt=\"A woman reads the label on a medicine bottle at home.\" decoding=\"async\" height=\"800\" loading=\"eager\" src=\"https://www.mentalhealth.com/assets/optimized/183afc890cade742223c0660.webp\" width=\"1200\" srcset=\"/assets/responsive/91154059907d25c3b61e8608.webp 800w, /assets/optimized/183afc890cade742223c0660.webp 1200w\" sizes=\"(max-width: 800px) 100vw, 1200px\"></figure><section aria-labelledby=\"key-takeaways\" class=\"article-takeaways\"><h2 id=\"key-takeaways\">Key takeaways</h2><ul><li>Amoxapine is an antidepressant generally considered when other antidepressant treatments have not been effective.</li><li>Side effects can include drowsiness, while seizures and heart rhythm changes are potentially serious reactions.</li><li>Medical history, interacting medications, and overdose risk make careful prescribing and monitoring important.</li></ul></section><span id=\"amoxapine-brand-names-amoxapine-is-usually-sold-in-the-u-s-under-the-brand-name-asendin\" class=\"section-anchor-alias\" data-section-alias=\"amoxapine-brand-names\" aria-hidden=\"true\"></span><h2 id=\"amoxapine-brand-names\">Amoxapine brand names</h2><p>\nAmoxapine is usually sold in the U.S. under the brand name Asendin.\n</p><span id=\"what-is-amoxapine-prescribed-for-amoxapine-is-used-to-treat-people-with\" class=\"section-anchor-alias\" data-section-alias=\"what-is-amoxapine-prescribed-for\" aria-hidden=\"true\"></span><h2 id=\"what-is-amoxapine-prescribed-for\">What is Amoxapine prescribed for?</h2><p>\nAmoxapine is used to treat people with:\n</p><ul>\n<li>Depressive disorders, including major depressive disorder</li>\n<li>Anxiety disorders</li>\n<li>Depression in patients with <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/bipolar-disorder\">bipolar disorder</a></li>\n<li>Agitation</li>\n</ul><p>\nAmoxapine is usually classified as a third-line treatment. This means it is only prescribed if courses of SSRIs and SNRIs haven’t had any positive effects⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#farmacoterapia-dei-disturbi-dell-umore-stato-dell-arte-drug\" data-reference-link=\"\" aria-label=\"Reference 2: Cugurra F. (1995). Farmacoterapia dei disturbi dell'umore: stato dell'arte [Drug therapy and affective disorders: state of the art]. La Clinica terapeutica, 146(10), 577–585.\" data-reference-number=\"2\">[2]</a></sup>.\n</p><span id=\"how-does-amoxapine-work-amoxapine-is-a-tricyclic-antidepressant-medication-tca-it-works-by-restoring-the-levels-of-chemicals-in-your-brain-that-you-need-for-a-more-balanced-mental-state\" class=\"section-anchor-alias\" data-section-alias=\"how-does-amoxapine-work\" aria-hidden=\"true\"></span><h2 id=\"how-does-amoxapine-work\">How does amoxapine work?</h2><p>\nAmoxapine is a tricyclic <a href=\"https://www.mentalhealth.com/library/antidepressants\" class=\"article-inline-link\" data-context-link=\"355\">antidepressant medication</a> (TCA). It works by restoring the levels of chemicals in your brain that you need for a more balanced mental state⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-medlineplus-drug-information\" data-reference-link=\"\" aria-label=\"Reference 1: Amoxapine: MedlinePlus Drug Information. (2018, September 15). MedlinePlus.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><span id=\"how-is-amoxapine-usually-taken-amoxapine-is-usually-given-in-the-form-of-small-pills-that-you-take-by-swallowing\" class=\"section-anchor-alias\" data-section-alias=\"how-is-amoxapine-usually-taken\" aria-hidden=\"true\"></span><h2 id=\"how-is-amoxapine-usually-taken\">How is Amoxapine usually taken?</h2><p>\nAmoxapine is usually given in the form of small pills that you take by swallowing⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-medlineplus-drug-information\" data-reference-link=\"\" aria-label=\"Reference 1: Amoxapine: MedlinePlus Drug Information. (2018, September 15). MedlinePlus.\" data-reference-number=\"1\">[1]</a></sup>. Depending on your doctor’s advice, you may be required to take one or more a day. Try to take amoxapine at the same time every day (e.g., just before you go to bed).\n</p><p>If you miss a single dose, then take it when you realize it. However, if it is close to when you plan to take your next dose, it is okay to skip it. Never take more than your prescribed daily dose to catch up on missed doses.</p><p>\nFollow your doctor’s advice exactly, even if you don’t feel any more symptoms or think the drug isn’t working. Taking any more than you have been prescribed can lead to more severe and potentially dangerous side effects. Again, you should consult your doctor if you need any medical advice.\n</p><span id=\"amoxapine-side-effects-taking-amoxapine-may-cause-some-side-effects-these-can-be-mild-side-effects-that-you-may-need-to-talk-to-your-doctor-about-if-they-are-causing-problems-in-your-life-as-well-as-more-severe-side-effects-that-require-urgent-medical-attention\" class=\"section-anchor-alias\" data-section-alias=\"amoxapine-side-effects\" aria-hidden=\"true\"></span><h2 id=\"amoxapine-side-effects\">Amoxapine side effects</h2><p>\nTaking amoxapine may cause some side effects. These can be mild side effects that you may need to talk to your doctor about if they are causing problems in your life, as well as more severe side effects that require urgent medical attention⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-medlineplus-drug-information\" data-reference-link=\"\" aria-label=\"Reference 1: Amoxapine: MedlinePlus Drug Information. (2018, September 15). MedlinePlus.\" data-reference-number=\"1\">[1]</a><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#dailymed-amoxapine-tablet\" data-reference-link=\"\" aria-label=\"Reference 3: DailyMed - AMOXAPINE tablet. (2010, July 9). DailyMed.\" data-reference-number=\"3\">[3]</a></sup>.\nMild side-effects: tell your doctor if these become more severe or don’t go away.\n</p><ul>\n<li>Nausea</li>\n<li>Changes in appetite</li>\n<li>Weight gain</li>\n<li>Sensitive skin</li>\n<li>Urinary retetnion and constipation</li>\n<li>Abnormally frequent urination</li>\n<li>Excessive sweating</li>\n<li>Dry mouth</li>\n<li>Nightmares</li>\n<li>Weakness or tiredness</li>\n<li>Headaches or dizziness</li>\n</ul><p>\nSevere side-effects: whilst these are very rare (less than 1% of patients), seek medical attention urgently if you experience any of them or any side-effects listed in the IMPORTANT WARNING section of the package insert.\n</p><ul>\n<li>Muscle stiffness</li>\n<li>Fast or irregular heartbeat</li>\n<li>Shuffling walk</li>\n<li>Breaking out in skin rashes</li>\n<li>Fever</li>\n<li>Uncontrollable shaking/tremors</li>\n<li>Seizures</li>\n</ul><span id=\"amoxapine-precautions-your-doctor-will-likely-ask-you-questions-before-prescribing-amoxapine-to-make-sure-the-drug-is-safe-for-you-and-to-help-them-establish-the-correct-dosages\" class=\"section-anchor-alias\" data-section-alias=\"amoxapine-precautions\" aria-hidden=\"true\"></span><h2 id=\"amoxapine-precautions\">Amoxapine precautions</h2><p>\nYour doctor will likely ask you questions before prescribing amoxapine to make sure the drug is safe for you and to help them establish the correct dosages⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-medlineplus-drug-information\" data-reference-link=\"\" aria-label=\"Reference 1: Amoxapine: MedlinePlus Drug Information. (2018, September 15). MedlinePlus.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><ul>\n<li>Tell your doctor if you are allergic to amoxapine or its ingredients. You can ask your doctor or pharmacist for the list of ingredients to prevent the risk of an allergic reaction.</li>\n<li>Tell your doctor if you currently take, or have recently stopped taking, MAOIs (<a href=\"https://www.mentalhealth.com/library/maois\" class=\"article-inline-link\" data-context-link=\"358\">Monoamine oxidase inhibitors</a>), as this can cause severe adverse reactions such as confusion, abdominal pain, high blood pressure, and convulsions.</li>\n<li>They will ask about any medication you are currently on and any medical conditions you have. Ensure you thoroughly disclose everything you take, including vitamins, dietary supplements, or herbal medicines, as they may cause adverse effects.</li>\n<li>Tell your doctor if you are breastfeeding, plan to become pregnant, or become pregnant while taking amoxapine. Research suggests that the concentration found in the breast milk of mothers taking amoxapine is a quarter of their dose⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#galactorrhea-hyperprolactinemia-associated-amoxapine-therapy\" data-reference-link=\"\" aria-label=\"Reference 4: Gelenberg, A. J. (1979). Galactorrhea and hyperprolactinemia associated with amoxapine therapy. Report of a case. JAMA: The Journal of the American Medical Association, 242(17), 1900–1901. JAMA Network.\" data-reference-number=\"4\">[4]</a></sup>.</li>\n<li>Be mindful that some side effects of amoxapine may take longer to show up. For example, don’t drive or operate heavy machinery until you know the side effects. Alcohol may make drowsiness worse.</li>\n<li>If you are over 65, speak to your doctor about any alternative drugs you can take to avoid adverse reactions.</li>\n</ul><section aria-label=\"Subject matter expert\" class=\"article-expert article-expert-inline\" data-expert-kind=\"related\" data-expert-layout=\"standard\"><p class=\"article-bio-role\">Subject matter expert</p><div class=\"article-expert-identity\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/90339bb61ace127cee8df5f2.webp\" width=\"64\" decoding=\"async\"><h2><a href=\"https://www.mentalhealth.com/people/leila-khurshid\">Leila Khurshid, Pharm.D.</a></h2></div><p class=\"article-expert-focus\">Clinical pharmacy and medication</p><a class=\"profile-experience-link experience-button\" href=\"https://www.mentalhealth.com/people/leila-khurshid\">View experience</a></section><span id=\"amoxapine-interactions-currently-no-known-food-groups-have-negative-interactions-with-amoxapine-and-it-is-recommended-that-you-don-t-change-your-diet-while-taking-them\" class=\"section-anchor-alias\" data-section-alias=\"amoxapine-interactions\" aria-hidden=\"true\"></span><h2 id=\"amoxapine-interactions\">Amoxapine interactions</h2><p>\nCurrently, no known food groups have negative interactions with amoxapine, and it is recommended that you don’t change your diet while taking them⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-medlineplus-drug-information\" data-reference-link=\"\" aria-label=\"Reference 1: Amoxapine: MedlinePlus Drug Information. (2018, September 15). MedlinePlus.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><p>As previously said, do not take amoxapine if you are currently taking MAOIs. It is also recommended that people with Parkinson’s disease do not take amoxapine as it has been shown to make motor symptoms worse in some patients⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-shows-antipsychotic-effect-but-worsens-motor-function-patients\" data-reference-link=\"\" aria-label=\"Reference 5: Sa, DS, Kapur, S, &amp; Lang, AE. (2001). Amoxapine Shows an Antipsychotic Effect but Worsens Motor Function in Patients with Parkinson's Disease and Psychosis. Clinical Neuropharmacology, 24(4): 242–244. ovid.com.\" data-reference-number=\"5\">[5]</a></sup></p><p>\nDrinking alcohol while taking amoxapine can increase the drowsiness this medication can cause.\n</p><span id=\"amoxapine-storage-amoxapine-should-be-kept-at-room-temperature-in-a-dry-place-and-its-original-packaging-as-this-will-usually-have-a-child-locked-cap-don-t-keep-it-in-the-bathroom-or-anywhere-else-that-may-get-wet-keeping-it-in-a-preferably-locked-cupboard-out-of-reach-of-children-is-the-best-place-for-it\" class=\"section-anchor-alias\" data-section-alias=\"amoxapine-storage\" aria-hidden=\"true\"></span><h2 id=\"amoxapine-storage\">Amoxapine storage</h2><p>\nAmoxapine should be kept at room temperature, in a dry place, and its original packaging, as this will usually have a child-locked cap. Don’t keep it in the bathroom or anywhere else that may get wet. Keeping it in a (preferably locked) cupboard out of reach of children is the best place for it.\n</p><span id=\"what-to-do-if-you-overdose-on-amoxapine-in-high-doses-amoxapine-can-cause-overdoses-with-severe-symptoms-potentially-resulting-in-a-loss-of-consciousness-and-even-death-the-main-symptoms-of-tricyclic-antidepressant-overdoses-include\" class=\"section-anchor-alias\" data-section-alias=\"what-to-do-if-you-overdose-on-amoxapine\" aria-hidden=\"true\"></span><h2 id=\"what-to-do-if-you-overdose-on-amoxapine\">What to do if you overdose on amoxapine</h2><p>\nIn high doses, amoxapine can cause overdoses with severe symptoms, potentially resulting in a loss of consciousness and even death. The main symptoms of tricyclic antidepressant overdoses include:⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#tricyclic-antidepressant-overdose-review\" data-reference-link=\"\" aria-label=\"Reference 6: Kerr, G. W. (2001). Tricyclic antidepressant overdose: a review. Emergency Medicine Journal, 18(4), 236–241. BMJ.\" data-reference-number=\"6\">[6]</a></sup>\n</p><ul>\n<li>Irregular or fast heartbeat</li>\n<li>High body temperature</li>\n<li>Sleepiness</li>\n<li>Confusion</li>\n<li>Seizures</li>\n<li>Blurred vision and dilated pupils</li>\n<li>Cardiac arrest</li>\n<li>Kidney failure</li>\n</ul><p>\nIf no symptoms have shown within 6 hours, then it is less likely that you will suffer an overdose⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#tricyclic-antidepressant-poisoning-evidence-based-consensus-guideline-out-hospital\" data-reference-link=\"\" aria-label=\"Reference 7: Woolf, A. D., Erdman, A. R., Nelson, L. S., Caravati, E. M., Cobaugh, D. J., Booze, L. L., Wax, P. M., Manoguerra, A. S., Scharman, E. J., Olson, K. R., Chyka, P. A., Christianson, G., &amp; Troutman, W. G. (2007). Tricyclic antidepressant poisoning: an evidence-based consensus guideline for out-of-hospital management. Clinical Toxicology, 45(3), 203–233. Taylor &amp; Francis.\" data-reference-number=\"7\">[7]</a></sup>. However, if you think you have taken too many pills, are suffering from any overdose symptoms, or know of anyone that has, it is extremely important to seek urgent medical attention.\n</p><p>If a doctor thinks you are displaying symptoms of an overdose, they will monitor you in intensive care for at least 12 hours. If your ECG has been clear for more than 24 hours, your doctor will likely discharge you⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#tricyclic-antidepressant-overdose-review\" data-reference-link=\"\" aria-label=\"Reference 6: Kerr, G. W. (2001). Tricyclic antidepressant overdose: a review. Emergency Medicine Journal, 18(4), 236–241. BMJ.\" data-reference-number=\"6\">[6]</a></sup>.</p></article><div class=\"article-endmatter\"><section class=\"article-sources\" data-reference-list=\"\" data-reference-style=\"author-date-title-source\" data-source-references=\"\" id=\"references\"><h2 id=\"references-2\">References</h2><ol><li id=\"amoxapine-medlineplus-drug-information\" value=\"1\" data-reference-number=\"1\" data-reference-format=\"393\"><em class=\"reference-title\">Amoxapine: MedlinePlus Drug Information.</em> (2018, September 15). <a href=\"https://medlineplus.gov/druginfo/meds/a682202.html?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-amoxapine-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">MedlinePlus</a>.</li><li id=\"farmacoterapia-dei-disturbi-dell-umore-stato-dell-arte-drug\" value=\"2\" data-reference-number=\"2\" data-reference-format=\"393\">Cugurra F. (1995). <em class=\"reference-title\">Farmacoterapia dei disturbi dell'umore: stato dell'arte [Drug therapy and affective disorders: state of the art].</em> La Clinica terapeutica, 146(10), 577–585.</li><li id=\"dailymed-amoxapine-tablet\" value=\"3\" data-reference-number=\"3\" data-reference-format=\"393\"><em class=\"reference-title\">DailyMed - AMOXAPINE tablet.</em> (2010, July 9). <a href=\"https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=261006c8-3fd0-491b-b322-42beff6f9880&amp;utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-amoxapine-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">DailyMed</a>.</li><li id=\"galactorrhea-hyperprolactinemia-associated-amoxapine-therapy\" value=\"4\" data-reference-number=\"4\" data-reference-format=\"393\">Gelenberg, A. J. (1979). <em class=\"reference-title\">Galactorrhea and hyperprolactinemia associated with amoxapine therapy.</em> Report of a case. JAMA: The Journal of the American Medical Association, 242(17), 1900–1901. <a href=\"https://jamanetwork.com/journals/jama/fullarticle/10.1001/jama.242.17.1900?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-amoxapine-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">JAMA Network</a>.</li><li id=\"amoxapine-shows-antipsychotic-effect-but-worsens-motor-function-patients\" value=\"5\" data-reference-number=\"5\" data-reference-format=\"393\">Sa, DS, Kapur, S, &amp; Lang, AE. (2001). <em class=\"reference-title\">Amoxapine Shows an Antipsychotic Effect but Worsens Motor Function in Patients with Parkinson's Disease and Psychosis.</em> Clinical Neuropharmacology, 24(4): 242–244. <a href=\"https://www.ovid.com/jnls/clinicalneuropharm/abstract/00002826-200107000-00010~amoxapine-shows-an-antipsychotic-effect-but-worsens-motor?redirectionsource=fulltextview&amp;utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-amoxapine-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">ovid.com</a>.</li><li id=\"tricyclic-antidepressant-overdose-review\" value=\"6\" data-reference-number=\"6\" data-reference-format=\"393\">Kerr, G. W. (2001). <em class=\"reference-title\">Tricyclic antidepressant overdose: a review.</em> Emergency Medicine Journal, 18(4), 236–241. <a href=\"https://emj.bmj.com/content/18/4/236?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-amoxapine-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">BMJ</a>.</li><li id=\"tricyclic-antidepressant-poisoning-evidence-based-consensus-guideline-out-hospital\" value=\"7\" data-reference-number=\"7\" data-reference-format=\"393\">Woolf, A. D., Erdman, A. R., Nelson, L. S., Caravati, E. M., Cobaugh, D. J., Booze, L. L., Wax, P. M., Manoguerra, A. S., Scharman, E. J., Olson, K. R., Chyka, P. A., Christianson, G., &amp; Troutman, W. G. (2007). <em class=\"reference-title\">Tricyclic antidepressant poisoning: an evidence-based consensus guideline for out-of-hospital management.</em> Clinical Toxicology, 45(3), 203–233. <a href=\"https://www.tandfonline.com/doi/full/10.1080/15563650701226192?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-amoxapine-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">Taylor &amp; Francis</a>.</li></ol></section><section class=\"article-medical article-panel\"><h2 id=\"medical-content\">Medical Content</h2><p><a href=\"https://www.mentalhealth.com/clinical-affairs\">The Clinical Affairs Team</a> at MentalHealth.com is a dedicated group of medical professionals with diverse and extensive clinical experience. They actively contribute to the development of content, products, and services, and meticulously review all medical material before publication to ensure accuracy and alignment with current research and conversations in mental health. For more information, please visit the <a href=\"https://www.mentalhealth.com/publishing/editorial-policy\">Editorial Policy</a>.</p></section><section class=\"article-about article-panel\"><h2 id=\"about-mentalhealth-com\">About MentalHealth.com</h2><p>MentalHealth.com helps people understand themselves, build healthier relationships, and access the right care. We bring together mental health education, diagnostics, and care management to support well-being throughout every phase of life.</p><div class=\"article-contributors\"><section class=\"article-bio\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/cd94ef374fa55302345c2afb.jpg\" width=\"64\" decoding=\"async\"><div><p class=\"article-bio-role\">Author</p><h3 id=\"ethan-cullen\"><a href=\"https://www.mentalhealth.com/people/ethan-cullen\">Ethan Cullen</a></h3><p class=\"article-bio-credentials\">Writer</p><p>Ethan Cullen is a medical writer with a Bachelor of Arts degree in Philosophy, Politics, and Economics from Oxford University.</p><dl><div><dt>Published</dt><dd><time datetime=\"2022-10-31T20:00:00Z\">October 31, 2022</time></dd></div><div><dt>Updated</dt><dd><time datetime=\"2025-08-24T20:19:05Z\">August 24, 2025</time></dd></div></dl></div></section><section class=\"article-bio\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/90339bb61ace127cee8df5f2.webp\" width=\"64\" decoding=\"async\"><div><p class=\"article-bio-role\">Medical Reviewer</p><h3 id=\"leila-khurshid-pharm-d\"><a href=\"https://www.mentalhealth.com/people/leila-khurshid\">Leila Khurshid, Pharm.D.</a></h3><p class=\"article-bio-credentials\">Pharm.D., BCPS</p><p>Leila Khursid is a medical reviewer with a Doctor of Pharmacy degree and completed a PGY1 Pharmacy Residency from St. Mark's Hospital.</p><dl><div><dt>Reviewed</dt><dd><time datetime=\"2022-11-01\">November 1, 2022</time></dd></div></dl></div></section></div></section><section aria-label=\"Related community\" class=\"article-topic-community article-topic-community-end\"><img alt=\"\" class=\"topic-community-banner\" height=\"533\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/responsive/5c26904586a2a0fc207e6b13.webp\" width=\"800\" decoding=\"async\" srcset=\"/assets/responsive/5c26904586a2a0fc207e6b13.webp 800w\" sizes=\"(min-width: 961px) 236px, calc(100vw - 80px)\"><p class=\"topic-community-label\">Related community</p><h2>Medications</h2><p>Explore questions and perspectives about psychiatric medications and the treatment experience.</p><a href=\"https://www.mentalhealth.com/community/medications\">Explore community</a></section></div></div><aside aria-label=\"Article navigation and related information\" class=\"article-sidebar\" data-bounded-rail=\"\" tabindex=\"0\"><details class=\"article-contents\" data-expanded=\"false\" data-scrolled-past=\"false\" data-section-preview=\"3\" open=\"\"><summary><strong>Table of contents</strong><span aria-hidden=\"true\"></span><small data-current-section=\"\">Choose a section</small></summary><nav aria-label=\"Article contents\"><ol id=\"article-section-list\"><li><a aria-label=\"Amoxapine brand names\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-brand-names\" title=\"Amoxapine brand names\">Amoxapine brand names</a></li><li><a aria-label=\"What is Amoxapine prescribed for?\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#what-is-amoxapine-prescribed-for\" title=\"What is Amoxapine prescribed for?\">What is Amoxapine prescribed for?</a></li><li><a aria-label=\"How does amoxapine work?\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#how-does-amoxapine-work\" title=\"How does amoxapine work?\">How does amoxapine work?</a></li><li><a aria-label=\"How is Amoxapine usually taken?\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#how-is-amoxapine-usually-taken\" title=\"How is Amoxapine usually taken?\">How is Amoxapine usually taken?</a></li><li><a aria-label=\"Amoxapine side effects\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-side-effects\" title=\"Amoxapine side effects\">Amoxapine side effects</a></li><li><a aria-label=\"Amoxapine precautions\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-precautions\" title=\"Amoxapine precautions\">Amoxapine precautions</a></li><li><a aria-label=\"Amoxapine interactions\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-interactions\" title=\"Amoxapine interactions\">Amoxapine interactions</a></li><li><a aria-label=\"Amoxapine storage\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#amoxapine-storage\" title=\"Amoxapine storage\">Amoxapine storage</a></li><li><a aria-label=\"What to do if you overdose on amoxapine\" href=\"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#what-to-do-if-you-overdose-on-amoxapine\" title=\"What to do if you overdose on amoxapine\">What to do if you overdose on amoxapine</a></li></ol><button aria-controls=\"article-section-list\" aria-expanded=\"false\" class=\"article-sections-toggle\" data-sections-toggle=\"\" type=\"button\">View more</button></nav></details></aside></div></div></div></div>","text":"HomeLibraryMedicationsAmoxapine (Asendin)Amoxapine (Asendin)Written by Ethan CullenMedically reviewed by Leila Khurshid, Pharm.D.Published on October 31, 2022 · Updated on August 24, 2025Amoxapine is an antidepressant drug used to treat symptoms of depression, anxiety, and other mental disorders. It should only be used when prescribed by a doctor, as taking it with certain medical conditions or allergies can cause some severe adverse reactions.Key takeawaysAmoxapine is an antidepressant generally considered when other antidepressant treatments have not been effective.Side effects can include drowsiness, while seizures and heart rhythm changes are potentially serious reactions.Medical history, interacting medications, and overdose risk make careful prescribing and monitoring important.Amoxapine brand names Amoxapine is usually sold in the U.S. under the brand name Asendin. What is Amoxapine prescribed for? Amoxapine is used to treat people with: Depressive disorders, including major depressive disorder Anxiety disorders Depression in patients with bipolar disorder Agitation Amoxapine is usually classified as a third-line treatment. This means it is only prescribed if courses of SSRIs and SNRIs haven’t had any positive effects⁠[2]. How does amoxapine work? Amoxapine is a tricyclic antidepressant medication (TCA). It works by restoring the levels of chemicals in your brain that you need for a more balanced mental state⁠[1]. How is Amoxapine usually taken? Amoxapine is usually given in the form of small pills that you take by swallowing⁠[1]. Depending on your doctor’s advice, you may be required to take one or more a day. Try to take amoxapine at the same time every day (e.g., just before you go to bed). If you miss a single dose, then take it when you realize it. However, if it is close to when you plan to take your next dose, it is okay to skip it. Never take more than your prescribed daily dose to catch up on missed doses. Follow your doctor’s advice exactly, even if you don’t feel any more symptoms or think the drug isn’t working. Taking any more than you have been prescribed can lead to more severe and potentially dangerous side effects. Again, you should consult your doctor if you need any medical advice. Amoxapine side effects Taking amoxapine may cause some side effects. These can be mild side effects that you may need to talk to your doctor about if they are causing problems in your life, as well as more severe side effects that require urgent medical attention⁠[1][3]. Mild side-effects: tell your doctor if these become more severe or don’t go away. Nausea Changes in appetite Weight gain Sensitive skin Urinary retetnion and constipation Abnormally frequent urination Excessive sweating Dry mouth Nightmares Weakness or tiredness Headaches or dizziness Severe side-effects: whilst these are very rare (less than 1% of patients), seek medical attention urgently if you experience any of them or any side-effects listed in the IMPORTANT WARNING section of the package insert. Muscle stiffness Fast or irregular heartbeat Shuffling walk Breaking out in skin rashes Fever Uncontrollable shaking/tremors Seizures Amoxapine precautions Your doctor will likely ask you questions before prescribing amoxapine to make sure the drug is safe for you and to help them establish the correct dosages⁠[1]. Tell your doctor if you are allergic to amoxapine or its ingredients. You can ask your doctor or pharmacist for the list of ingredients to prevent the risk of an allergic reaction. Tell your doctor if you currently take, or have recently stopped taking, MAOIs (Monoamine oxidase inhibitors), as this can cause severe adverse reactions such as confusion, abdominal pain, high blood pressure, and convulsions. They will ask about any medication you are currently on and any medical conditions you have. Ensure you thoroughly disclose everything you take, including vitamins, dietary supplements, or herbal medicines, as they may cause adverse effects. Tell your doctor if you are breastfeeding, plan to become pregnant, or become pregnant while taking amoxapine. Research suggests that the concentration found in the breast milk of mothers taking amoxapine is a quarter of their dose⁠[4]. Be mindful that some side effects of amoxapine may take longer to show up. For example, don’t drive or operate heavy machinery until you know the side effects. Alcohol may make drowsiness worse. If you are over 65, speak to your doctor about any alternative drugs you can take to avoid adverse reactions. Subject matter expertLeila Khurshid, Pharm.D.Clinical pharmacy and medicationView experienceAmoxapine interactions Currently, no known food groups have negative interactions with amoxapine, and it is recommended that you don’t change your diet while taking them⁠[1]. As previously said, do not take amoxapine if you are currently taking MAOIs. It is also recommended that people with Parkinson’s disease do not take amoxapine as it has been shown to make motor symptoms worse in some patients⁠[5] Drinking alcohol while taking amoxapine can increase the drowsiness this medication can cause. Amoxapine storage Amoxapine should be kept at room temperature, in a dry place, and its original packaging, as this will usually have a child-locked cap. Don’t keep it in the bathroom or anywhere else that may get wet. Keeping it in a (preferably locked) cupboard out of reach of children is the best place for it. What to do if you overdose on amoxapine In high doses, amoxapine can cause overdoses with severe symptoms, potentially resulting in a loss of consciousness and even death. The main symptoms of tricyclic antidepressant overdoses include:⁠[6] Irregular or fast heartbeat High body temperature Sleepiness Confusion Seizures Blurred vision and dilated pupils Cardiac arrest Kidney failure If no symptoms have shown within 6 hours, then it is less likely that you will suffer an overdose⁠[7]. However, if you think you have taken too many pills, are suffering from any overdose symptoms, or know of anyone that has, it is extremely important to seek urgent medical attention. If a doctor thinks you are displaying symptoms of an overdose, they will monitor you in intensive care for at least 12 hours. If your ECG has been clear for more than 24 hours, your doctor will likely discharge you⁠[6].ReferencesAmoxapine: MedlinePlus Drug Information. (2018, September 15). MedlinePlus.Cugurra F. (1995). Farmacoterapia dei disturbi dell'umore: stato dell'arte [Drug therapy and affective disorders: state of the art]. La Clinica terapeutica, 146(10), 577–585.DailyMed - AMOXAPINE tablet. (2010, July 9). DailyMed.Gelenberg, A. J. (1979). Galactorrhea and hyperprolactinemia associated with amoxapine therapy. Report of a case. JAMA: The Journal of the American Medical Association, 242(17), 1900–1901. JAMA Network.Sa, DS, Kapur, S, & Lang, AE. (2001). Amoxapine Shows an Antipsychotic Effect but Worsens Motor Function in Patients with Parkinson's Disease and Psychosis. Clinical Neuropharmacology, 24(4): 242–244. ovid.com.Kerr, G. W. (2001). Tricyclic antidepressant overdose: a review. Emergency Medicine Journal, 18(4), 236–241. BMJ.Woolf, A. D., Erdman, A. R., Nelson, L. S., Caravati, E. M., Cobaugh, D. J., Booze, L. L., Wax, P. M., Manoguerra, A. S., Scharman, E. J., Olson, K. R., Chyka, P. A., Christianson, G., & Troutman, W. G. (2007). Tricyclic antidepressant poisoning: an evidence-based consensus guideline for out-of-hospital management. Clinical Toxicology, 45(3), 203–233. Taylor & Francis.Medical ContentThe Clinical Affairs Team at MentalHealth.com is a dedicated group of medical professionals with diverse and extensive clinical experience. They actively contribute to the development of content, products, and services, and meticulously review all medical material before publication to ensure accuracy and alignment with current research and conversations in mental health. For more information, please visit the Editorial Policy.About MentalHealth.comMentalHealth.com helps people understand themselves, build healthier relationships, and access the right care. We bring together mental health education, diagnostics, and care management to support well-being throughout every phase of life.AuthorEthan CullenWriterEthan Cullen is a medical writer with a Bachelor of Arts degree in Philosophy, Politics, and Economics from Oxford University.PublishedOctober 31, 2022UpdatedAugust 24, 2025Medical ReviewerLeila Khurshid, Pharm.D.Pharm.D., BCPSLeila Khursid is a medical reviewer with a Doctor of Pharmacy degree and completed a PGY1 Pharmacy Residency from St. Mark's Hospital.ReviewedNovember 1, 2022Related communityMedicationsExplore questions and perspectives about psychiatric medications and the treatment experience.Explore communityTable of contentsChoose a sectionAmoxapine brand namesWhat is Amoxapine prescribed for?How does amoxapine work?How is Amoxapine usually taken?Amoxapine side effectsAmoxapine precautionsAmoxapine interactionsAmoxapine storageWhat to do if you overdose on amoxapineView more","wordCount":1334},"schema":{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://www.mentalhealth.com/#organization","name":"MentalHealth.com","url":"https://www.mentalhealth.com/","publishingPrinciples":"https://www.mentalhealth.com/publishing/editorial-policy"},{"@type":"WebSite","@id":"https://www.mentalhealth.com/#website","url":"https://www.mentalhealth.com/","name":"MentalHealth.com","inLanguage":"en-US","publisher":{"@id":"https://www.mentalhealth.com/#organization"}},{"@type":"BreadcrumbList","@id":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.mentalhealth.com/"},{"@type":"ListItem","position":2,"name":"Library","item":"https://www.mentalhealth.com/library"},{"@type":"ListItem","position":3,"name":"Medications","item":"https://www.mentalhealth.com/library/medications"},{"@type":"ListItem","position":4,"name":"Amoxapine (Asendin)","item":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects"}]},{"@type":"ImageObject","@id":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#primaryimage","url":"https://www.mentalhealth.com/assets/optimized/183afc890cade742223c0660.webp","contentUrl":"https://www.mentalhealth.com/assets/optimized/183afc890cade742223c0660.webp","width":1200,"height":800,"encodingFormat":"image/webp","caption":"A woman reads the label on a medicine bottle at home."},{"@type":"Person","@id":"https://www.mentalhealth.com/people/ethan-cullen#person","name":"Ethan Cullen","url":"https://www.mentalhealth.com/people/ethan-cullen","jobTitle":"Writer","image":"https://www.mentalhealth.com/assets/optimized/cd94ef374fa55302345c2afb.jpg","sameAs":["https://www.linkedin.com/in/ethan-cullen-b1346123a/"],"memberOf":[{"@id":"https://www.mentalhealth.com/publishing#department"}]},{"@type":"Person","@id":"https://www.mentalhealth.com/people/leila-khurshid#person","name":"Leila Khurshid, Pharm.D.","url":"https://www.mentalhealth.com/people/leila-khurshid","jobTitle":"Pharm.D., BCPS","image":"https://www.mentalhealth.com/assets/optimized/90339bb61ace127cee8df5f2.webp","sameAs":["https://www.linkedin.com/in/leila-khurshid-pharmd-bcps/"],"memberOf":[{"@id":"https://www.mentalhealth.com/clinical-affairs#department"}]},{"@type":"Article","@id":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects#article","url":"https://www.mentalhealth.com/library/amoxapine-uses-dosage-side-effects","headline":"Amoxapine (Asendin)","description":"Amoxapine (Asendin) is an antidepressant used to treat major depressive disorder and other conditions. 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