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Sumatriptan tablets are a generic, low-cost version of the branded medicine Imigran used to treat migraines. Migraines cause excruciating headaches, dizziness and nausea, as well as light and sound sensitivity. The pain is usually localised, severe, and debilitating. Sumatriptan falls under Triptans (aka 5-HR1 agonists). The drug is often prescribed to help deal with the changes in the brain brought on by migraines. Doctors prescribe Triptans to offer relief for headaches where ordinary painkillers have not been efficient.

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Migraine is a chronic condition. Sumatriptan does not cure it but offers relief against its painful symptoms. Migraines occur when blood vessels in the brain widen. Sumatriptan works by contracting the brain blood vessels so that blood can flow normally, offering relaxation that stops migraines. The drug stimulates serotonin receptors in the brain, which cause the muscles surrounding the blood vessels in the brain to contract. Sumatriptan also works by stabilizing the chemical changes that cause a migraine attack. The remedy relieves the sickness within 30 minutes.


Sumatriptan is safe for use as a migraine treatment. It may be inappropriate for you if:

  • You have strokes or heart attacks.
  • You have problems with poor circulation.
  • You have high blood pressure.
  • You have severely reduced liver function.

Sumatriptan should be used with caution for patients above 40 and smokers.


  • Sumatriptan tablets should be swallowed whole and taken as soon as possible after the onset of a migraine.
  • You can repeat the dose after 2 hours if your migraine has not been relieved or use another option such as
  • Sumatriptan 50mg & 100mg tablets can be taken with painkillers.
  • Sumatriptan should not be taken with other 'triptans' or with medication containing ergotamine.


Each Sumatriptan tablet contains sumatriptan succinate as the active ingredient. Each tablet also contains Lactose monohydrate, hypromellose, microcrystalline cellulose, croscarmellose sodium, magnesium stearate, hypromellose, titanium dioxide (E171), triacetin, red iron oxide (E172).

Side Effects

The side effects of Sumatriptan may be intense but pass quickly. The side effects include:

  • Sickness, like nausea or vomiting
  • Tiredness or drowsiness
  • Dizziness
  • Temporary increase in blood pressure
  • Shortness of breath