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The Food and Drug Administration (FDA) has approved it to treat migraine episodes that occur with or without aura in adults. Reyvow should only be taken to treat migraine episodes when they occur. You should not take it to prevent migraine episodes. Reyvow comes as an oral tablet. It belongs to a class of medications called serotonin receptor agonists. There’s currently no generic version of Reyvow. Dosage summary The following chart summarizes Reyvow’s dosage. Your doctor will determine the dosage that’s best for you.FormStrengthsTypical dosageOral tablet• 50 milligrams (mg) • 100 mg50 mg, 100 mg, or 200 mg,taken as needed once per day For information about the dosage of Reyvow, including its strengths and how to take it, keep reading. For a comprehensive look at Reyvow, see this article. Reyvow dosage Talk with your doctor about the best dose of Reyvow to treat your migraine. Below are some commonly recommended doses of Reyvow. Reyvow form Reyvow comes as an oral tablet. Reyvow strengths 50 mg and 100 mg Reyvow comes in two strengths: 50 milligrams (mg) and 100 mg. Typical dosage for migraine Your doctor may recommend a dosage of 50 mg, 100 mg, or 200 mg taken when needed for migraine, once per day. You should not take Reyvow unless you are currently having a migraine. Reyvow is not approved to prevent migraine episodes from occurring. The following information describes dosages that are commonly used or recommended. However, be sure to take the dosage your doctor prescribes for you. Your doctor will determine the best dosage to fit your needs. Maximum dosage for migraine The maximum recommended dosage of Reyvow for migraine is 200 mg, taken once per day as needed. You should not take more than one dose of Reyvow within 24 hours. Long-term treatment You should take Reyvow as needed for migraine. However, if this medication works to treat your migraine, your doctor may recommend using it as needed over the long term. Talk with your doctor about the best treatment options for you. Factors that can affect your dosage The Reyvow dosage your doctor prescribes will depend on several factors. These include:the severity of your migraineother medical conditions you have How to take Reyvow You should only take Reyvow when you are experiencing a migraine episode. Reyvow comes as an oral tablet that should be swallowed whole. Do not break, crush, or chew the tablets. You may take your dose of Reyvow with or without food. You should not take more than one dose of Reyvow in 24 hours. It’s also not known if it’s safe to take Reyvow more than four times per month to treat migraine. So, if you feel that you need to use this treatment more than four times in 30 days, talk with your doctor. They may be able to recommend other medications to prevent migraine episodes from occurring. Also, you should avoid driving or operating other machinery for at least 8 hours after taking your dose of Reyvow. This is because the drug can cause sleepiness, which may make driving dangerous. If you cannot avoid driving for at least 8 hours after taking Reyvow, you should not take the medication.Accessible drug labels and containers If you’re having trouble reading your prescription label, talk with your doctor or pharmacist. Some pharmacies offer labels with large print, braille, or a code you scan with a smartphone to convert text to speech. If your local pharmacy doesn’t have these options, your doctor or pharmacist might be able to recommend a pharmacy that does. If you’re having trouble opening medication bottles, ask your pharmacist about putting Reyvow in an easy-open container. They also may recommend tools that can make it easier to open bottles. Reyvow and misuse It is possible to misuse Reyvow. Misuse means using a drug in a way other than how it was prescribed to you. Reyvow is a controlled substance. Controlled substances are medications that are regulated by the government because they may cause misuse. It’s possible for Reyvow to cause symptoms of relaxation or euphoria and hallucinations. These symptoms can increase the risk of Reyvow misuse. Reyvow and overdose It’s important that you do not use more Reyvow than your doctor prescribes. For some medications, taking more than the recommended amount may lead to side effects or overdose. If you take more than the recommended amount of Reyvow Call your doctor right away if you believe you’ve taken too much Reyvow. Another option is to call the American Association of Poison Control Centers at 800-222-1222 or use its online tool. If you have severe symptoms, immediately call 911 or your local emergency number, or go to the nearest emergency room. Reyvow and withdrawal and dependence Reyvow isn’t believed to cause withdrawal symptoms. Withdrawal occurs when your body becomes used to a medication. Then, if you no longer take the medication, you have symptoms from not having the medication in your body. In clinical studies, people who took Reyvow daily for 7 days did not experience withdrawal symptoms. Reyvow is also not believed to cause drug dependence. Dependence occurs when your body becomes used to taking a medication. Then, you need the medication in order to feel normal. It’s important to note that Reyvow is a controlled substance. Controlled substances are medications that are regulated by the government because they may cause misuse. It’s possible for Reyvow to cause symptoms of relaxation or euphoria and hallucinations. These symptoms can increase the risk of Reyvow misuse. Takeaway and helpful resources The dosages in this article are typical dosages provided by the drug’s manufacturer. If your doctor recommends Reyvow for you, they will prescribe the dosage that’s right for you. Always follow the dosage that your doctor prescribes for you. As with any drug, never change your dosage of Reyvow without your doctor’s recommendation. If you have questions about the dosage of Reyvow that’s right for you, talk with your doctor. Besides learning about dosage, you may want other information about Reyvow. These additional articles and resources may be helpful to you:More about Reyvow. For information about other aspects of Reyvow, refer to this article.Side effects. To learn about side effects of Reyvow, see this article.Details about migraine. For more information on migraine, see our migraine article hub. Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses. Last medically reviewed on May 20, 2022Headache / MigrainePharmacy / PharmacistDrugsMedically reviewed by Dena Westphalen, Pharm.D. — By Jennifer Mitri Williamson, Pharm.D. on May 20, 2022 Latest newsWhat sets 'SuperAgers' apart? Their unusually large neuronsOmega-3 may provide a brain boost for people in midlifeSeasonal affective disorder (SAD): How to beat it this fall and winterCDC: Monkeypox in the US 'unlikely to be eliminated in the near future'Why are more women prone to Alzheimer's? 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