{"formatVersion":"1.1","id":"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects","path":"/library/oxazepam-serax-uses-dosage-side-effects","url":"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects","title":"Oxazepam (Serax)","family":"Library detail","description":"Oxazepam, commonly prescribed as Serax, is a benzodiazepine that is used to treat symptoms of anxiety disorder and in the treatment of alcohol withdrawal.","language":"en-US","access":{"audience":"public","indexable":true},"provenance":{"sourceUrl":"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects","wordpressId":"226","contentCompleteness":"complete","dateScope":"original-source"},"authors":[{"@type":"Person","@id":"https://www.mentalhealth.com/people/jenni-jacobsen#person","name":"Jenni Jacobsen, Ph.D.","url":"https://www.mentalhealth.com/people/jenni-jacobsen"}],"reviewer":{"@type":"Person","@id":"https://www.mentalhealth.com/people/amy-shelby#person","name":"Amy Shelby","url":"https://www.mentalhealth.com/people/amy-shelby"},"dates":{"datePublished":"2022-11-22T19:00:00Z","dateModified":"2025-09-10T11:55:02Z","lastReviewed":"2022-11-23"},"content":{"html":"<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\">Oxazepam (Serax)</span></li></ol></nav><div class=\"article-page article-standard\" data-library-standard=\"\"><div class=\"article-main-grid\"><header class=\"article-heading\"><h1>Oxazepam (Serax)</h1><p class=\"article-inline-credits\"><span>Written by <a class=\"article-credit-person\" href=\"https://www.mentalhealth.com/people/jenni-jacobsen\"><img alt=\"\" height=\"22\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/4f4e4293be2246dfe2e00d7c.jpg\" width=\"22\" decoding=\"async\">Jenni Jacobsen, Ph.D.</a></span><span>Medically reviewed by <a class=\"article-credit-person\" href=\"https://www.mentalhealth.com/people/amy-shelby\"><img alt=\"\" height=\"22\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/21afa080123d8c48701b6218.jpg\" width=\"22\" decoding=\"async\">Amy Shelby</a></span></p><div class=\"article-dates\"><span>Published on <time datetime=\"2022-11-22T19:00:00Z\">November 22, 2022</time></span><span aria-hidden=\"true\"> · </span><span>Updated on <time datetime=\"2025-09-10T11:55:02Z\">September 10, 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>Oxazepam is a benzodiazepine drug used in the treatment of anxiety disorders and symptoms of alcohol withdrawal. Some doctors may prescribe it for other uses, but it is important to know the risks and benefits of oxazepam, as it is classified as a controlled substance and can lead to respiratory depression and overdose if misused⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.</p></div><figure class=\"article-feature\"><img alt=\"A woman reads a medicine label beside her phone at home.\" decoding=\"async\" height=\"586\" loading=\"eager\" src=\"https://www.mentalhealth.com/assets/optimized/1a1d1eb71b8e1856ace98cbc.webp\" width=\"1200\" srcset=\"/assets/responsive/6711ba0ff2625dd5e85cf1d1.webp 800w, /assets/optimized/1a1d1eb71b8e1856ace98cbc.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>Oxazepam is a benzodiazepine used to treat anxiety and alcohol withdrawal symptoms.</li><li>Oxazepam can cause dependence and carries risks when misused.</li><li>Combining oxazepam with opioids or other depressants can cause dangerous sedation and respiratory depression.</li></ul></section><span id=\"oxazepam-brand-names-the-most-common-brand-name-for-oxazepam-is\" class=\"section-anchor-alias\" data-section-alias=\"oxazepam-brand-names\" aria-hidden=\"true\"></span><h2 id=\"oxazepam-brand-names\">Oxazepam brand names</h2><p>\nThe most common brand name for oxazepam is <strong>Serax</strong><sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#serax\" data-reference-link=\"\" aria-label=\"Reference 2: Food and Drug Administration. (2000). Serax. U.S. Food and Drug Administration. Accessed October 10 2026.\" data-reference-number=\"2\">[2]</a></sup>. It may also be found under brand names, including <strong>Serepax </strong>and <strong>Placidox.</strong>\n</p><span id=\"what-is-oxazepam-prescribed-for-oxazepam-is-most-commonly-prescribed-to-treat-symptoms-of-anxiety-disorders-and-alcohol-withdrawal-symptoms\" class=\"section-anchor-alias\" data-section-alias=\"what-is-oxazepam-prescribed-for\" aria-hidden=\"true\"></span><h2 id=\"what-is-oxazepam-prescribed-for\">What is oxazepam prescribed for?</h2><p>\nOxazepam is most commonly prescribed to treat symptoms of anxiety disorders and alcohol withdrawal symptoms⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup> but doctors may also prescribe it for the following conditions:⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>\n</p><ul>\n<li>Sleep terrors</li>\n<li><a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/sleep-disorders\">Insomnia</a></li>\n<li>Post-traumatic stress disorder (PTSD)</li>\n<li><a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/premenstrual-dysphoric-disorder-pmdd\">Premenstrual dysphoric disorder (PMDD)</a></li>\n<li>Catatonia</li>\n<li><a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/social-anxiety\">Social phobias</a></li>\n</ul><span id=\"how-does-oxazepam-work-oxazepam-works-as-an\" class=\"section-anchor-alias\" data-section-alias=\"how-does-oxazepam-work\" aria-hidden=\"true\"></span><h2 id=\"how-does-oxazepam-work\">How does oxazepam work?</h2><p>\nOxazepam works as an <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/anxiolytics\">anxiety-reducing medication</a> because it belongs to a class of drugs called <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/benzodiazepines\">benzodiazepines</a>. This type of drug influences the action of a neurotransmitter called GABA, which has inhibitory effects on the nervous system. This means that benzodiazepines slow nervous system activity, thus inducing a sedative or anxiety-reducing effect⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><span id=\"how-is-oxazepam-usually-taken-oxazepam-is-typically-taken-orally-it-is-available-in-a-10-mg-15-mg-or-30-mg-capsule-or-as-a-15-mg-tablet\" class=\"section-anchor-alias\" data-section-alias=\"how-is-oxazepam-usually-taken\" aria-hidden=\"true\"></span><h2 id=\"how-is-oxazepam-usually-taken\">How is oxazepam usually taken?</h2><p>\nOxazepam is typically taken orally. It is available in a 10 mg, 15 mg, or 30 mg capsule, or as a 15 mg tablet⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><p>For mild to moderate anxiety, patients typically take 10-15 mg every 6-8 hours, with a maximum dosage of 120 mg per day. For severe and ongoing anxiety, a patient may take 15-30 mg every 6 to 8 hours⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.</p><p>For alcohol withdrawal, a typical dose is 15 mg, taken three times per day. Dosages for older adults generally should not exceed 60 mg per day, and doses for children vary based on body weight. Children under 6 years of age should not take this medication⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.</p><p>\nA doctor prescribing oxazepam will give instructions for how often the medication should be taken, and how large of a dose you should take. It is generally recommended that doctors prescribe the lowest effective dose for the shortest amount of time possible⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><span id=\"how-long-does-oxazepam-stay-in-your-system-oxazepam-is-a-short-acting-benzodiazepine-meaning-its-effects-occur-relatively-quickly-when-compared-to-other-benzodiazepines-it-has-a-half-life-ranging-from-three-to-21-hours-meaning-that-half-of-the-initial-dose-is-eliminated-from-the-body-within-this-time-frame\" class=\"section-anchor-alias\" data-section-alias=\"how-long-does-oxazepam-stay-in-your-system\" aria-hidden=\"true\"></span><h2 id=\"how-long-does-oxazepam-stay-in-your-system\">How long does oxazepam stay in your system?</h2><p>\nOxazepam is a short-acting benzodiazepine, meaning its effects occur relatively quickly when compared to other benzodiazepines. It has a half-life ranging from three to 21 hours, meaning that half of the initial dose is eliminated from the body within this time frame⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><p>Research with oxazepam has shown that it can be detected in the urine for an average of 91 hours, or a little under four days. It is detectable in saliva for an average of 67 hours or just under three days⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#detection-time-oxazepam-zopiclone-urine-oral-fluid-after-experimental\" data-reference-link=\"\" aria-label=\"Reference 3: Brunn, L.D., Kjeldstadli, K., Temte, V., Birdal, M., Bachs, L., Langodegard, M., Strand, D.H., Gaare, K.I., Oiestad, E., Hoiseth, G. (2019). Detection time of oxazepam and zopiclone in urine and oral fluid after experimental oral dosing. Journal of Analytical Toxicology, 43(5), 369-377. Oxford Academic.\" data-reference-number=\"3\">[3]</a></sup>.\n</p><span id=\"oxazepam-side-effects-oxazepam-is-a-prescription-medication-with-legitimate-medical-uses-but-it-does-come-with-side-effects-if-your-doctor-prescribes-this-medication-it-is-because-he-or-she-has-determined-that-the-benefits-of-the-medication-outweigh-the-risks-for-you-the-following-are-the-most-common-side-effects-associated-with-oxazepam\" class=\"section-anchor-alias\" data-section-alias=\"oxazepam-side-effects\" aria-hidden=\"true\"></span><h2 id=\"oxazepam-side-effects\">Oxazepam side effects</h2><p>\nOxazepam is a prescription medication with legitimate medical uses, but it does come with side effects. If your doctor prescribes this medication, it is because he or she has determined that the benefits of the medication outweigh the risks for you.\nThe following are the most common side effects associated with oxazepam:⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>\n</p><ul>\n<li>Extreme sedation</li>\n<li>Severe drowsiness</li>\n<li>Blurred vision</li>\n<li>Feelings of fatigue</li>\n<li>Confusion</li>\n<li>Memory problems</li>\n<li>Dizziness</li>\n<li>Depressed mood</li>\n<li>Lack of coordination</li>\n<li>Slurred speech</li>\n<li>Nervousness or over-excitability</li>\n<li>Weakness</li>\n</ul><p>\nSome of the side effects of oxazepam can be more severe. The following are rare but potentially serious adverse effects from oxazepam:⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>\n</p><ul>\n<li>Low blood pressure</li>\n<li>Hallucinations</li>\n<li>Manic behavior</li>\n<li>Dry mouth</li>\n<li>Excessive salivation</li>\n<li>Edema</li>\n<li>Upper stomach pain</li>\n<li>Reduced sex drive</li>\n<li>Low white blood cell count</li>\n<li>Incontinence</li>\n<li>Rash</li>\n<li>Irregular menstrual cycles</li>\n<li>Jaundice</li>\n<li>Amnesia</li>\n<li>Respiratory depression (difficult breathing)</li>\n</ul><span id=\"oxazepam-precautions-before-taking-oxazepam-it-is-important-to-tell-your-doctor-about-other-medications-you-re-taking-or-any-existing-health-conditions-some-medications-you-are-taking-may-have-potentially-dangerous-side-effects-when-combined-with-oxazepam\" class=\"section-anchor-alias\" data-section-alias=\"oxazepam-precautions\" aria-hidden=\"true\"></span><h2 id=\"oxazepam-precautions\">Oxazepam precautions</h2><p>\nBefore taking oxazepam, it is important to tell your doctor about other medications you’re taking or any existing health conditions. Some medications you are taking may have potentially dangerous side effects when combined with oxazepam.\n</p><p>Beyond the potential for interaction effects with other medications, oxazepam can be habit-forming or addictive. This means that you should never take larger doses of this medication than prescribed, nor should you take it for reasons aside from its intended medical uses⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-source\" data-reference-link=\"\" aria-label=\"Reference 4: MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026.\" data-reference-number=\"4\">[4]</a></sup>.</p><p>\nYou may become dependent on oxazepam with long-term use, even if you take it exactly as prescribed. This means that if you abruptly stop taking your medication, you may experience withdrawal side effects. Doctors generally advise patients to gradually reduce their dose of oxazepam, rather than abruptly discontinuing the medication. Do not stop taking oxazepam without speaking with your doctor first⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-source\" data-reference-link=\"\" aria-label=\"Reference 4: MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026.\" data-reference-number=\"4\">[4]</a></sup>.\n</p><span id=\"oxazepam-interactions-as-noted-above-oxazepam-may-cause-dangerous-interactions-when-combined-with-other-medications-some-of-the-medications-that-should-not-be-used-with-oxazepam-due-to-the-potential-for-negative-interactions-are-described-below\" class=\"section-anchor-alias\" data-section-alias=\"oxazepam-interactions\" aria-hidden=\"true\"></span><h2 id=\"oxazepam-interactions\">Oxazepam interactions</h2><p>\nAs noted above, oxazepam may cause dangerous interactions when combined with other medications. Some of the medications that should not be used with oxazepam, due to the potential for negative interactions, are described below.\n</p><h3 id=\"cns-depressants-oxazepam-has-a-depressant-effect-on-the-central-nervous-system-cns-and-should-not-be-used-with-other-medications-that-act-as-cns-depressants-one-medication-in-this-category-is-the-antihistamine-drug-diphenhydramine-when-used-in-combination-with-other-cns-depressants-oxazepam-can-cause-an-increased-risk-of-respiratory-depression\">CNS Depressants</h3><p>\nOxazepam has a depressant effect on the central nervous system (CNS) and should not be used with other medications that act as CNS depressants. One medication in this category is the antihistamine drug diphenhydramine. When used in combination with other CNS depressants, oxazepam can cause an increased risk of respiratory depression⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><h3 id=\"opioid-drugs-opioid-medications-like-methadone-hydrocodone-and-morphine-can-cause-severe-sedation-low-blood-pressure-and-respiratory-depression-when-taken-concurrently-with-oxazepam\">Opioid Drugs</h3><p>\nOpioid medications like methadone, hydrocodone, and morphine can cause severe sedation, low blood pressure, and respiratory depression when taken concurrently with oxazepam⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><h3 id=\"other-medications-in-addition-to-the-medications-noted-above-the-drugs-on-the-following-list-may-also-cause-interaction-effects-with-oxazepam-tell-your-doctor-if-you-are-taking-any-of-the-medications-below-as-you-may-need-to-be-closely-monitored-for-interaction-effects\">Other Medications</h3><p>\nIn addition to the medications noted above, the drugs on the following list may also cause interaction effects with oxazepam. Tell your doctor if you are taking any of the medications below, as you may need to be closely monitored for interaction effects:⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-source\" data-reference-link=\"\" aria-label=\"Reference 4: MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026.\" data-reference-number=\"4\">[4]</a></sup>\n</p><ul>\n<li>Digoxin</li>\n<li>Levodopa</li>\n<li><a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/antidepressants\">Depression medications</a></li>\n<li>Anti-seizure medications</li>\n<li>Medications for Parkinson's disease</li>\n<li>Sedatives</li>\n<li>Sleeping pills</li>\n<li>Asthma, cold, or allergy medications</li>\n<li>Oral contraceptives</li>\n<li>Probenecid</li>\n<li>Rifampin</li>\n<li>Theophylline</li>\n</ul><p>\nThe list above is not exhaustive. Talk with your doctor if you have questions about what medications you can and cannot take with oxazepam.\n</p><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=\"oxazepam-storage-to-maintain-the-functionality-of-your-medication-you-should-keep-oxazepam-stored-in-a-room-temperature-setting-without-any-exposure-to-moisture-or-excessive-heat-for-example-the-bathroom-is-not-ideal-for-storing-this-medication\" class=\"section-anchor-alias\" data-section-alias=\"oxazepam-storage\" aria-hidden=\"true\"></span><h2 id=\"oxazepam-storage\">Oxazepam storage</h2><p>\nTo maintain the functionality of your medication, you should keep oxazepam stored in a room temperature setting without any exposure to moisture or excessive heat. </p><p>For example, the bathroom is not ideal for storing this medication⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-source\" data-reference-link=\"\" aria-label=\"Reference 4: MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026.\" data-reference-number=\"4\">[4]</a></sup>.\nYou should also keep oxazepam in its original, tightly sealed prescription container to prevent anyone from accidentally taking your medication. Oxazepam should be kept out of reach of children and should be disposed of in a manner that does not allow children to access this medication⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-source\" data-reference-link=\"\" aria-label=\"Reference 4: MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026.\" data-reference-number=\"4\">[4]</a></sup>.\n</p><span id=\"what-to-do-if-you-overdose-on-oxazepam-if-you-re-taking-oxazepam-it-s-important-to-be-aware-of-the-risk-of-overdose-accidental-injury-or-verdose-risk-is-higher-when-the-medication-is-misused-taken-in-large-doses-or-combined-with-other-cns-depressants-the-following-symptoms-are-indicative-of-an-oxazepam-overdose\" class=\"section-anchor-alias\" data-section-alias=\"what-to-do-if-you-overdose-on-oxazepam\" aria-hidden=\"true\"></span><h2 id=\"what-to-do-if-you-overdose-on-oxazepam\">What to do if you overdose on oxazepam</h2><p>\nIf you’re taking oxazepam, it’s important to be aware of the risk of overdose. Accidental injury or verdose risk is higher when the medication is misused, taken in large doses, or combined with other CNS depressants. The following symptoms are indicative of an oxazepam overdose:⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#serax\" data-reference-link=\"\" aria-label=\"Reference 2: Food and Drug Administration. (2000). Serax. U.S. Food and Drug Administration. Accessed October 10 2026.\" data-reference-number=\"2\">[2]</a></sup>\n</p><ul>\n<li>Extreme drowsiness</li>\n<li>Confusion</li>\n<li>Lethargy</li>\n<li>Severely low blood pressure</li>\n<li>Appearing to be in a hypnotic state</li>\n<li>Muscle weakness</li>\n<li>Coma</li>\n<li>Breathing problems</li>\n</ul><p>\nIf you think you or someone you love is experiencing an oxazepam overdose, it’s important to call 911 or report immediately to the nearest emergency department. An oxazepam overdose can be fatal and requires immediate medical treatment⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-source\" data-reference-link=\"\" aria-label=\"Reference 4: MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026.\" data-reference-number=\"4\">[4]</a></sup>.\nSomeone who collapses, experiences trouble breathing, or is unable to be awakened is in especially critical condition and should receive immediate medical attention⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-source\" data-reference-link=\"\" aria-label=\"Reference 4: MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026.\" data-reference-number=\"4\">[4]</a></sup>.\n</p><span id=\"frequently-asked-questions-about-oxazepam-if-you-re-searching-for-information-on-oxazepam-the-answers-to-the-following-common-questions-are-also-helpful\" class=\"section-anchor-alias\" data-section-alias=\"frequently-asked-questions-about-oxazepam\" aria-hidden=\"true\"></span><h2 id=\"frequently-asked-questions-about-oxazepam\">Frequently asked questions about oxazepam</h2><p>\nIf you’re searching for information on oxazepam, the answers to the following common questions are also helpful.\n</p><h3 id=\"is-oxazepam-addictive-medications-in-the-benzodiazepine-class-including-oxazepam-are-potentially-addictive-even-when-taken-as-prescribed-by-a-doctor-these-medications-can-result-in-physical-dependence-meaning-that-the-body-does-not-function-the-same-without-them-and-will-experience-withdrawal-side-effects-when-the-medication-is-stopped-common-withdrawal-side-effects-associated-with-oxazepam-include-convulsions-tremors-stomach-pain-muscle-cramps-vomiting-sweating-insomnia-and-unhappy-mood\">Is Oxazepam addictive?</h3><p>\nMedications in the benzodiazepine class, including oxazepam, are potentially addictive. Even when taken as prescribed by a doctor, these medications can result in physical dependence, meaning that the body does not function the same without them and will experience withdrawal side effects when the medication is stopped. </p>\n<p>Common withdrawal side effects associated with oxazepam include convulsions, tremors, stomach pain, muscle cramps, vomiting, sweating, insomnia, and unhappy mood⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#serax\" data-reference-link=\"\" aria-label=\"Reference 2: Food and Drug Administration. (2000). Serax. U.S. Food and Drug Administration. Accessed October 10 2026.\" data-reference-number=\"2\">[2]</a></sup>.\nGiven the risk of physical dependence and withdrawal that comes with oxazepam use, it is generally recommended that patients slowly taper off of this medication, rather than abruptly cease taking it⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#serax\" data-reference-link=\"\" aria-label=\"Reference 2: Food and Drug Administration. (2000). Serax. U.S. Food and Drug Administration. Accessed October 10 2026.\" data-reference-number=\"2\">[2]</a></sup>. </p><p>In addition, doctors are often advised against prescribing oxazepam to individuals with a history of substance misuse, given the risk of addiction to this medication⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam\" data-reference-link=\"\" aria-label=\"Reference 1: Singh, R., &amp; Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022.\" data-reference-number=\"1\">[1]</a></sup>.\n</p><h3 id=\"what-s-the-difference-between-oxazepam-and-diazepam-oxazepam-and\">What’s the difference between Oxazepam and Diazepam?</h3><p>\nOxazepam and <a class=\"article-inline-link\" href=\"https://www.mentalhealth.com/library/diazepam-uses-dosage-side-effects\">diazepam</a> both belong to the benzodiazepine class of drugs, meaning they have similar uses and effects. Diazepam is a bit faster acting when compared to oxazepam. The onset of action for diazepam is generally less than or equal to 15 minutes, whereas the onset of action for oxazepam is usually 30-60 minutes⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#benzodiazepine-use-misuse-abuse-review\" data-reference-link=\"\" aria-label=\"Reference 5: Schmitz, A. (2016). Benzodiazepine use, misuse, and abuse: A review. Mental Health Clinician, 6(3), 120-126. mhc.kglmeridian.com.\" data-reference-number=\"5\">[5]</a></sup>.\n</p><p>Research suggests that diazepam is more likely to produce the sensation of being “high” when compared to oxazepam. Therefore, people may be more likely to misuse or develop an addiction to diazepam when compared to oxazepam⁠<sup class=\"citation-group\"><a class=\"article-citation\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#benzodiazepine-use-misuse-abuse-review\" data-reference-link=\"\" aria-label=\"Reference 5: Schmitz, A. (2016). Benzodiazepine use, misuse, and abuse: A review. Mental Health Clinician, 6(3), 120-126. mhc.kglmeridian.com.\" data-reference-number=\"5\">[5]</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=\"oxazepam\" value=\"1\" data-reference-number=\"1\" data-reference-format=\"393\">Singh, R., &amp; Abdijadid, S. (2022). <em class=\"reference-title\">Oxazepam.</em> National Library of Medicine. <a href=\"https://www.ncbi.nlm.nih.gov/books/NBK544349/?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-oxazepam-serax-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">National Library of Medicine</a>. Accessed October 31 2022.</li><li id=\"serax\" value=\"2\" data-reference-number=\"2\" data-reference-format=\"393\">Food and Drug Administration. (2000). <em class=\"reference-title\">Serax.</em> <a href=\"https://www.accessdata.fda.gov/drugsatfda_docs/label/2001/15539s52lbl.pdf?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-oxazepam-serax-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">U.S. Food and Drug Administration</a>. Accessed October 10 2026.</li><li id=\"detection-time-oxazepam-zopiclone-urine-oral-fluid-after-experimental\" value=\"3\" data-reference-number=\"3\" data-reference-format=\"393\">Brunn, L.D., Kjeldstadli, K., Temte, V., Birdal, M., Bachs, L., Langodegard, M., Strand, D.H., Gaare, K.I., Oiestad, E., Hoiseth, G. (2019). <em class=\"reference-title\">Detection time of oxazepam and zopiclone in urine and oral fluid after experimental oral dosing.</em> Journal of Analytical Toxicology, 43(5), 369-377. <a href=\"https://academic.oup.com/jat/article/43/5/369/5274652?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-oxazepam-serax-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">Oxford Academic</a>.</li><li id=\"oxazepam-source\" value=\"4\" data-reference-number=\"4\" data-reference-format=\"393\">MedlinePlus. (2021). <em class=\"reference-title\">Oxazepam.</em> National Library of Medicine. <a href=\"https://medlineplus.gov/druginfo/meds/a682050.html?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-oxazepam-serax-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">MedlinePlus</a>. Accessed October 10 2026.</li><li id=\"benzodiazepine-use-misuse-abuse-review\" value=\"5\" data-reference-number=\"5\" data-reference-format=\"393\">Schmitz, A. (2016). <em class=\"reference-title\">Benzodiazepine use, misuse, and abuse: A review.</em> Mental Health Clinician, 6(3), 120-126. <a href=\"https://mhc.kglmeridian.com/view/journals/mhcl/6/3/article-p120.xml?utm_medium=referral&amp;utm_campaign=libra&amp;utm_content=external_resource&amp;utm_id=site-library-oxazepam-serax-uses-dosage-side-effects&amp;utm_source=mentalhealth.com\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" class=\"reference-source\">mhc.kglmeridian.com</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/4f4e4293be2246dfe2e00d7c.jpg\" width=\"64\" decoding=\"async\"><div><p class=\"article-bio-role\">Author</p><h3 id=\"jenni-jacobsen-ph-d\"><a href=\"https://www.mentalhealth.com/people/jenni-jacobsen\">Jenni Jacobsen, Ph.D.</a></h3><p class=\"article-bio-credentials\">Ph.D., LSW, MSW</p><p>Jenni Jacobsen, Ph.D. is a licensed social worker, behavioral health consultant and medical reviewer. She holds a Ph.D. in clinical psychology.</p><dl><div><dt>Published</dt><dd><time datetime=\"2022-11-22T19:00:00Z\">November 22, 2022</time></dd></div><div><dt>Updated</dt><dd><time datetime=\"2025-09-10T11:55:02Z\">September 10, 2025</time></dd></div></dl></div></section><section class=\"article-bio\"><img alt=\"\" height=\"64\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/21afa080123d8c48701b6218.jpg\" width=\"64\" decoding=\"async\"><div><p class=\"article-bio-role\">Medical Reviewer</p><h3 id=\"amy-shelby\"><a href=\"https://www.mentalhealth.com/people/amy-shelby\">Amy Shelby</a></h3><p class=\"article-bio-credentials\">M.S. Counseling Psychology</p><p>Amy Shelby is a medical reviewer with a B.A. in Psychology from Northwestern and an M.S. in Psychology from Chatham University.</p><dl><div><dt>Reviewed</dt><dd><time datetime=\"2022-11-23\">November 23, 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=\"675\" loading=\"lazy\" src=\"https://www.mentalhealth.com/assets/optimized/f5e91a4297495afdb6431ec9.webp\" width=\"1199\" decoding=\"async\"><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=\"Oxazepam brand names\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-brand-names\" title=\"Oxazepam brand names\">Oxazepam brand names</a></li><li><a aria-label=\"What is oxazepam prescribed for?\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#what-is-oxazepam-prescribed-for\" title=\"What is oxazepam prescribed for?\">What is oxazepam prescribed for?</a></li><li><a aria-label=\"How does oxazepam work?\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#how-does-oxazepam-work\" title=\"How does oxazepam work?\">How does oxazepam work?</a></li><li><a aria-label=\"How is oxazepam usually taken?\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#how-is-oxazepam-usually-taken\" title=\"How is oxazepam usually taken?\">How is oxazepam usually taken?</a></li><li><a aria-label=\"How long does oxazepam stay in your system?\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#how-long-does-oxazepam-stay-in-your-system\" title=\"How long does oxazepam stay in your system?\">How long does oxazepam stay in your system?</a></li><li><a aria-label=\"Oxazepam side effects\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-side-effects\" title=\"Oxazepam side effects\">Oxazepam side effects</a></li><li><a aria-label=\"Oxazepam precautions\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-precautions\" title=\"Oxazepam precautions\">Oxazepam precautions</a></li><li><a aria-label=\"Oxazepam interactions\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-interactions\" title=\"Oxazepam interactions\">Oxazepam interactions</a></li><li><a aria-label=\"Oxazepam storage\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#oxazepam-storage\" title=\"Oxazepam storage\">Oxazepam storage</a></li><li><a aria-label=\"What to do if you overdose on oxazepam\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#what-to-do-if-you-overdose-on-oxazepam\" title=\"What to do if you overdose on oxazepam\">What to do if you overdose on oxazepam</a></li><li><a aria-label=\"Frequently asked questions about oxazepam\" href=\"https://www.mentalhealth.com/library/oxazepam-serax-uses-dosage-side-effects#frequently-asked-questions-about-oxazepam\" title=\"Frequently asked questions about oxazepam\">Frequently asked questions about oxazepam</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>","text":"Home Library Medications Oxazepam (Serax) Oxazepam (Serax) Written by Jenni Jacobsen, Ph.D.Medically reviewed by Amy Shelby Published on November 22, 2022 · Updated on September 10, 2025 Oxazepam is a benzodiazepine drug used in the treatment of anxiety disorders and symptoms of alcohol withdrawal. Some doctors may prescribe it for other uses, but it is important to know the risks and benefits of oxazepam, as it is classified as a controlled substance and can lead to respiratory depression and overdose if misused⁠[1]. Key takeaways Oxazepam is a benzodiazepine used to treat anxiety and alcohol withdrawal symptoms. Oxazepam can cause dependence and carries risks when misused. Combining oxazepam with opioids or other depressants can cause dangerous sedation and respiratory depression. Oxazepam brand names The most common brand name for oxazepam is Serax[2]. It may also be found under brand names, including Serepax and Placidox. What is oxazepam prescribed for? Oxazepam is most commonly prescribed to treat symptoms of anxiety disorders and alcohol withdrawal symptoms⁠[1] but doctors may also prescribe it for the following conditions:⁠[1] Sleep terrors Insomnia Post-traumatic stress disorder (PTSD) Premenstrual dysphoric disorder (PMDD) Catatonia Social phobias How does oxazepam work? Oxazepam works as an anxiety-reducing medication because it belongs to a class of drugs called benzodiazepines. This type of drug influences the action of a neurotransmitter called GABA, which has inhibitory effects on the nervous system. This means that benzodiazepines slow nervous system activity, thus inducing a sedative or anxiety-reducing effect⁠[1]. How is oxazepam usually taken? Oxazepam is typically taken orally. It is available in a 10 mg, 15 mg, or 30 mg capsule, or as a 15 mg tablet⁠[1]. For mild to moderate anxiety, patients typically take 10-15 mg every 6-8 hours, with a maximum dosage of 120 mg per day. For severe and ongoing anxiety, a patient may take 15-30 mg every 6 to 8 hours⁠[1]. For alcohol withdrawal, a typical dose is 15 mg, taken three times per day. Dosages for older adults generally should not exceed 60 mg per day, and doses for children vary based on body weight. Children under 6 years of age should not take this medication⁠[1]. A doctor prescribing oxazepam will give instructions for how often the medication should be taken, and how large of a dose you should take. It is generally recommended that doctors prescribe the lowest effective dose for the shortest amount of time possible⁠[1]. How long does oxazepam stay in your system? Oxazepam is a short-acting benzodiazepine, meaning its effects occur relatively quickly when compared to other benzodiazepines. It has a half-life ranging from three to 21 hours, meaning that half of the initial dose is eliminated from the body within this time frame⁠[1]. Research with oxazepam has shown that it can be detected in the urine for an average of 91 hours, or a little under four days. It is detectable in saliva for an average of 67 hours or just under three days⁠[3]. Oxazepam side effects Oxazepam is a prescription medication with legitimate medical uses, but it does come with side effects. If your doctor prescribes this medication, it is because he or she has determined that the benefits of the medication outweigh the risks for you. The following are the most common side effects associated with oxazepam:⁠[1] Extreme sedation Severe drowsiness Blurred vision Feelings of fatigue Confusion Memory problems Dizziness Depressed mood Lack of coordination Slurred speech Nervousness or over-excitability Weakness Some of the side effects of oxazepam can be more severe. The following are rare but potentially serious adverse effects from oxazepam:⁠[1] Low blood pressure Hallucinations Manic behavior Dry mouth Excessive salivation Edema Upper stomach pain Reduced sex drive Low white blood cell count Incontinence Rash Irregular menstrual cycles Jaundice Amnesia Respiratory depression (difficult breathing) Oxazepam precautions Before taking oxazepam, it is important to tell your doctor about other medications you’re taking or any existing health conditions. Some medications you are taking may have potentially dangerous side effects when combined with oxazepam. Beyond the potential for interaction effects with other medications, oxazepam can be habit-forming or addictive. This means that you should never take larger doses of this medication than prescribed, nor should you take it for reasons aside from its intended medical uses⁠[4]. You may become dependent on oxazepam with long-term use, even if you take it exactly as prescribed. This means that if you abruptly stop taking your medication, you may experience withdrawal side effects. Doctors generally advise patients to gradually reduce their dose of oxazepam, rather than abruptly discontinuing the medication. Do not stop taking oxazepam without speaking with your doctor first⁠[4]. Oxazepam interactions As noted above, oxazepam may cause dangerous interactions when combined with other medications. Some of the medications that should not be used with oxazepam, due to the potential for negative interactions, are described below. CNS Depressants Oxazepam has a depressant effect on the central nervous system (CNS) and should not be used with other medications that act as CNS depressants. One medication in this category is the antihistamine drug diphenhydramine. When used in combination with other CNS depressants, oxazepam can cause an increased risk of respiratory depression⁠[1]. Opioid Drugs Opioid medications like methadone, hydrocodone, and morphine can cause severe sedation, low blood pressure, and respiratory depression when taken concurrently with oxazepam⁠[1]. Other Medications In addition to the medications noted above, the drugs on the following list may also cause interaction effects with oxazepam. Tell your doctor if you are taking any of the medications below, as you may need to be closely monitored for interaction effects:⁠[4] Digoxin Levodopa Depression medications Anti-seizure medications Medications for Parkinson's disease Sedatives Sleeping pills Asthma, cold, or allergy medications Oral contraceptives Probenecid Rifampin Theophylline The list above is not exhaustive. Talk with your doctor if you have questions about what medications you can and cannot take with oxazepam. Subject matter expert Leila Khurshid, Pharm.D. Clinical pharmacy and medication View experience Oxazepam storage To maintain the functionality of your medication, you should keep oxazepam stored in a room temperature setting without any exposure to moisture or excessive heat. For example, the bathroom is not ideal for storing this medication⁠[4]. You should also keep oxazepam in its original, tightly sealed prescription container to prevent anyone from accidentally taking your medication. Oxazepam should be kept out of reach of children and should be disposed of in a manner that does not allow children to access this medication⁠[4]. What to do if you overdose on oxazepam If you’re taking oxazepam, it’s important to be aware of the risk of overdose. Accidental injury or verdose risk is higher when the medication is misused, taken in large doses, or combined with other CNS depressants. The following symptoms are indicative of an oxazepam overdose:⁠[2] Extreme drowsiness Confusion Lethargy Severely low blood pressure Appearing to be in a hypnotic state Muscle weakness Coma Breathing problems If you think you or someone you love is experiencing an oxazepam overdose, it’s important to call 911 or report immediately to the nearest emergency department. An oxazepam overdose can be fatal and requires immediate medical treatment⁠[4]. Someone who collapses, experiences trouble breathing, or is unable to be awakened is in especially critical condition and should receive immediate medical attention⁠[4]. Frequently asked questions about oxazepam If you’re searching for information on oxazepam, the answers to the following common questions are also helpful. Is Oxazepam addictive? Medications in the benzodiazepine class, including oxazepam, are potentially addictive. Even when taken as prescribed by a doctor, these medications can result in physical dependence, meaning that the body does not function the same without them and will experience withdrawal side effects when the medication is stopped. Common withdrawal side effects associated with oxazepam include convulsions, tremors, stomach pain, muscle cramps, vomiting, sweating, insomnia, and unhappy mood⁠[2]. Given the risk of physical dependence and withdrawal that comes with oxazepam use, it is generally recommended that patients slowly taper off of this medication, rather than abruptly cease taking it⁠[2]. In addition, doctors are often advised against prescribing oxazepam to individuals with a history of substance misuse, given the risk of addiction to this medication⁠[1]. What’s the difference between Oxazepam and Diazepam? Oxazepam and diazepam both belong to the benzodiazepine class of drugs, meaning they have similar uses and effects. Diazepam is a bit faster acting when compared to oxazepam. The onset of action for diazepam is generally less than or equal to 15 minutes, whereas the onset of action for oxazepam is usually 30-60 minutes⁠[5]. Research suggests that diazepam is more likely to produce the sensation of being “high” when compared to oxazepam. Therefore, people may be more likely to misuse or develop an addiction to diazepam when compared to oxazepam⁠[5]. References Singh, R., & Abdijadid, S. (2022). Oxazepam. National Library of Medicine. National Library of Medicine. Accessed October 31 2022. Food and Drug Administration. (2000). Serax. U.S. Food and Drug Administration. Accessed October 10 2026. Brunn, L.D., Kjeldstadli, K., Temte, V., Birdal, M., Bachs, L., Langodegard, M., Strand, D.H., Gaare, K.I., Oiestad, E., Hoiseth, G. (2019). Detection time of oxazepam and zopiclone in urine and oral fluid after experimental oral dosing. Journal of Analytical Toxicology, 43(5), 369-377. Oxford Academic. MedlinePlus. (2021). Oxazepam. National Library of Medicine. MedlinePlus. Accessed October 10 2026. Schmitz, A. (2016). Benzodiazepine use, misuse, and abuse: A review. Mental Health Clinician, 6(3), 120-126. mhc.kglmeridian.com. Medical Content The 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.com 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. Author Jenni Jacobsen, Ph.D. Ph.D., LSW, MSW Jenni Jacobsen, Ph.D. is a licensed social worker, behavioral health consultant and medical reviewer. She holds a Ph.D. in clinical psychology. Published November 22, 2022 Updated September 10, 2025 Medical Reviewer Amy Shelby M.S. Counseling Psychology Amy Shelby is a medical reviewer with a B.A. in Psychology from Northwestern and an M.S. in Psychology from Chatham University. Reviewed November 23, 2022 Related community Medications Explore questions and perspectives about psychiatric medications and the treatment experience. Explore community Table of contentsChoose a section Oxazepam brand names What is oxazepam prescribed for? How does oxazepam work? How is oxazepam usually taken? How long does oxazepam stay in your system? 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