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Sumatriptan works by targeting and constricting blood vessels around the brain that have swollen during a migraine. It also reduces inflammation in the brain. This helps to alleviate the migraine headache and associated symptoms by counteracting the changes that occur during a migraine attack.
It is NOT recommended for people who:
For any extra information, please contact your healthcare provider or contact us.
Sumatriptan tablets are not intended for use before symptoms appear as a preventative measure. They are most effective when taken at the first sign of a migraine headache but can also be used once the headache has begun. Avoid taking them during the aura phase.
The standard dose is one 50mg tablet, swallowed whole. However, some individuals may need the 100mg tablet. You may take a second tablet after 2 hours if symptoms persist and have partially improved with the first dose. The maximum allowable dose in 24 hours is 300mg, which is either 6 x 50mg tablets or 3 x 100mg tablets.
Active Ingredient
Sumatriptan
Inactive Ingredients
Croscarmellose sodium (E468), Polysorbate 80 (E433), Calcium hydrogen phosphate (E450), Cellulose microcrystalline (E460), Sodium hydrogen carbonate (E500), and Magnesium stearate (E470b).
Serious allergic reactions (such as rash, hives, wheezing, swollen eyelids or face, and collapse) are very rare but require immediate medical help call 999.
Do not use sumatriptan if you are allergic to other triptans or sulphonamide antibiotics (which are rarely used).
Not everyone experiences side effects, and some symptoms may be related to the migraine itself.
Common side effects of sumatriptan tablets and Imigran spray (affecting up to 1 in 10 people) include aching muscles, shortness of breath, dizziness, tiredness, nausea, and a temporary rise in blood pressure.
Other potential side effects include seizures, visual disturbances, heart issues (such as angina, changes in heart rhythm, or heart attack), reduced circulation (cold hands and feet), faintness, joint pain, anxiety, and sweating.