About sumatriptan
Selective serotonin receptor agonist (triptan)
Used for
- Treats migraine attacks, with or without aura.
- Treats cluster headache attacks.
Usual adult dose
Migraine: 6 mg injected under the skin; may repeat once after at least 1 hour. Cluster headache: 6 mg injected under the skin; may repeat once after at least 1 hour.
Common side effects
- Pain, redness, or tingling at injection site
- Flushing, dizziness, or fatigue
- Nausea or vomiting
- Chest or throat tightness or pressure
Important warnings
- Not for prevention or for hemiplegic or basilar migraine.
- Avoid with coronary artery disease, prior stroke, or uncontrolled high blood pressure.
- Do not use within 24 hours of another triptan or ergot medicine.
- Seek urgent care for severe chest pain or signs of an allergic reaction.
Pregnancy
Human pregnancy data are limited; use only when benefits outweigh potential risks.
Breastfeeding
Small amounts may enter breast milk; product labeling advises avoiding breastfeeding for 12 hours after a dose.
Interactions
- MAO-A inhibitors: avoid during treatment and for 2 weeks after stopping.
- Other triptans or ergot medicines: increased risk of adverse effects.
- SSRIs or SNRIs: possible serotonin syndrome.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.