It is used to treat Migraine and helps relieving symptoms of migraine as well

It can cause numbness, tingling, pale or blue-colored appearance in your fingers or toes.

It is contraindicated in patients with known hypersensitivity to the drug.

Before using sumatriptan, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood circulation problems (for example, in your legs, arms/hands, or stomach), certain types of headaches (hemiplegic or basilar migraine), heart problems (such as chest pain, irregular heartbeat, previous heart attack), liver disease, seizure, stroke or "mini-stroke" (transient ischemic attack).

Certain conditions can increase your risk for heart problems. Tell your doctor if you have any of these conditions, including: high blood pressure, high cholesterol, diabetes, family history of heart disease, overweight, smoker, postmenopausal (women), age more than 40 years (men).

This drug passes into breast milk in small amounts. Consult your doctor before breast-feeding.

Please consult your doctor when taking this medicine if you are pregnant.

It can interact with Almotriptan, ketorolac, ergotamine.