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Quick summary

Type of medicine

Migraine headache treatment (Triptan)



Active Ingredient

Sumatriptan (as sumatriptan succinate)

Effective within

As soon as possible after onset of migraine attack

Works by

Narrowing blood vessels to relieve migraine symptoms

Side effects

Chest discomfort, unusual sensations, nausea, vomiting, tiredness, drowsiness, dizziness, weakness, hot flushes, temporary increase in blood pressure

Medication details


Sumatriptan is a medication used to treat migraines and cluster headaches. It works by narrowing the blood vessels in the brain, which reduces the symptoms associated with these types of headaches, such as throbbing pain, nausea, and sensitivity to light and sound.

It is available as a tablet, injection, or nasal spray and is taken as soon as possible after the onset of symptoms for best results. It is important to note that Sumatriptan is not a preventative medication and should not be taken on a regular basis.

As with all medications, there may be some side effects, such as dizziness, nausea, and drowsiness, but these are usually mild and temporary. If you experience any severe side effects or have concerns about taking Sumatriptan, talk to your doctor or pharmacist.


Always follow your doctor's or pharmacist's instructions on how to take Sumatriptan.
The recommended dose is typically 50 mg, with some patients needing 100 mg in the event of a migraine attack.
Take the tablet with water as soon as possible after the onset of the migraine attack.
Do not chew or crush the tablets.


Each tablet contains either 50 mg or 100 mg of sumatriptan (as sumatriptan succinate).
Other ingredients include croscarmellose sodium (E468), polysorbate 80 (E433), calcium hydrogen phosphate (E450), microcrystalline cellulose (E460), sodium hydrogen carbonate (E500), and magnesium stearate (E470b).

Side Effects

Like all medications, Sumatriptan can cause side effects, although not everyone experiences them. Some of the common side effects include:
Heaviness, pressure, tightness, or pain in the chest or other body parts.
Feeling of unusual sensations, such as numbness, tingling, warmth, or cold.
Nausea, vomiting, tiredness, drowsiness, dizziness, weakness, hot flushes, and temporary increase in blood pressure.
Very rare side effects:
Changes in liver function.
Seizures/fits, tremors, muscle spasm, neck stiffness.
Visual disturbances, heart problems, angina, heart attack.
Pale, blue-tinged skin, pain in extremities due to cold or stress (Raynaud’s phenomenon).
Feeling faint, pain in the lower left side of the stomach, and bloody diarrhea (ischaemic colitis).
Diarrhea, joint pain, anxiety, excessive sweating, difficulty swallowing.
It's important to report any side effects to your doctor or pharmacist. If you experience symptoms like rash, hives, wheezing, swollen eyelids, face or lips, or chest pain, seek medical attention immediately.


Do not take Sumatriptan if you are allergic to it or any of its ingredients, have certain heart problems, circulation issues, or have had a stroke.
Inform your doctor if you are using other medications, especially ergotamine, other triptans, SSRIs, SNRIs, MAOIs, or St. John's Wort.
Pregnant or breastfeeding women should consult their doctor before using Sumatriptan.
If you experience chest pain after using Sumatriptan, seek medical help.
Do not exceed the recommended dose of 300 mg in a 24-hour period.

Medically reviewed and published

  • This page was medically reviewed by Dr Sohaib Imtiaz, Clinical Lead on Aug 24, 2023, 3:30 pm

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Start a consultation for your condition, select a treatment option, and our in-house clinicians will review and prescribe if suitable. Expect your order within 1-3 working days.

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Please read our FAQs page to find out more.

Can Sumatriptan prevent future migraine attacks?

No, Sumatriptan is not meant to prevent future migraine attacks. It is effective only during the course of a migraine attack to provide relief from symptoms.

Can I take Sumatriptan if I'm pregnant or breastfeeding?

Pregnant or breastfeeding women should consult their doctor before using Sumatriptan. Limited information is available regarding its safety during pregnancy.

Can I use Sumatriptan if I have other health conditions?

Inform your doctor if you have heart problems, circulation issues, liver or kidney disease, history of fits, or are taking certain medications like SSRIs, SNRIs, MAOIs, or St. John's Wort. Your doctor will assess the risks and benefits before prescribing Sumatriptan.

Can I use Sumatriptan with other migraine medications?

Certain migraine medications, such as ergotamine and other triptans, should not be used concurrently with Sumatriptan. Consult your doctor before using multiple migraine treatments.

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