Sumatriptan: Uses & Side Effects

Sumatriptan is a headache medicine that narrows blood vessels around the brain. Sumatriptan also reduces substances in the body that can trigger headache pain, nausea, sensitivity to light and sound, and other migraine symptoms.

Sumatriptan is used to treat migraines and cluster headaches in adults. Sumatriptan will only treat a headache. sumatriptan will not prevent headaches or reduce the number of attacks.

Sumatriptan should not be used to treat a common tension headache, or a headache that causes loss of movement on one side of your body. Use this medicine only if your condition has been confirmed by a doctor as migraine headaches.

Sumatriptan may also be used for purposes not listed in this medication guide.

Important information

You should not use sumatriptan if you have ever had heart disease, coronary artery disease, blood circulation problems, Wolff-Parkinson-White syndrome, uncontrolled high blood pressure, severe liver disease, a heart attack or stroke, or if your headache seems to be different from your usual migraine headaches.

Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

Do not use sumatriptan within 24 hours before or after using another migraine headache medicine.

Side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using sumatriptan and call your doctor at once if you have:

  • sudden and severe stomach pain and bloody diarrhea;
  • severe chest pain, shortness of breath, irregular heartbeats;
  • a seizure (convulsions);
  • blood circulation problems in your legs or feet–cramps, tight or heavy feeling, numbness or tingling, muscle weakness, burning pain, cold feeling, color changes (pale or blue), hip pain;
  • heart attack symptoms–chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating;
  • high levels of serotonin in the body–agitation, hallucinations, fever, fast heart rate, overactive reflexes, nausea, vomiting, diarrhea, loss of coordination, fainting;
  • increased blood pressure–severe headache, blurred vision, pounding in your neck or ears, anxiety, nosebleed; or
  • signs of a stroke–sudden numbness or weakness (especially on one side of the body), sudden severe headache, slurred speech, problems with vision or balance.

Common side effects may include:

  • numbness, tingling, warmth, redness, or burning sensation;
  • pressure or heavy feeling in any part of your body;
  • dizziness, drowsiness, feeling weak or tired;
  • neck pain or stiffness; or
  • pain or redness where the medicine was injected.

Keywords: sumatriptan.

* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.