Sumatriptan is used to treat the symptoms of migraine headaches (severe, throbbing headaches that sometimes are accompanied by nausea and sensitivity to sound and light). Sumatriptan is in a class of medications called selective serotonin receptor agonists. It works by narrowing blood vessels in the brain and by stopping pain signals from being sent to the brain. Sumatriptan does not prevent migraine attacks.
Sumatriptan is taken by injection, just under your skin, as soon as your migraine symptoms appear. You should feel relief of your symptoms within 1 hour (maybe within 10 minutes). If your symptoms then return after the first injection, you may take a second injection after 1 hour. But do not use more than two injections in a 24-hour period. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take sumatriptan exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Sumatriptan comes in an autoinjection device so that you can self-inject this medication into your thigh or deltoid area (shoulder joint). Your doctor or pharmacist should show you how to load the injector and administer the medication. Also read the instruction pamphlet and be sure that you understand the correct injection technique before you use the autoinjector.
Try the autoinjector for the first time in your doctor's office so that he/she can be sure that you are using it correctly and can monitor any side effects.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
Before using sumatriptan,
Sumatriptan is not for routine use. Use it only to relieve your migraine headache as soon as symptoms of the migraine appear.
Sumatriptan may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
If you experience any of the following symptoms, call your doctor immediately:
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at Web Site] or by phone [1-800-332-1088].
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature, away from light, excess heat, and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of needles, syringes, and the medication.
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Keep all appointments with your doctor.
Never inject this medication any place except under the skin of your thigh or shoulder.
Call your doctor if you continue to have symptoms.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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