Sumatriptan tablets

Sumatriptan tablets for the treatment of migraine available on prescription.

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Sumatriptan tablets

Sumatriptan tablets

Prescription fees

Medicinesbymailbox supplies medicine on prescription and charges a small prescription fee based on the order value of each prescription.Prescriptions are issued by our doctors online and sent electronically to our pharmacy.If you have your own private paper prescription please post to our pharmacy (details).

Order value Prescription fee
Any Order Value £0.00

Sumatriptan product information

Sumatriptan tablets contain sumatriptan, which belongs to a class of medicines called triptans. They act directly to control the chemical (serotonin) imbalance in your brain and help to reduce the widening of blood vessels. This helps to relieve symptoms of migraine.

This is a cheaper legal generic version of the branded version Imigran, also available from Medicinesbymailbox. They contain the same active ingredient and are medically identical.

How to take

The usual dose for migraine is to take one 50mg tablet, as soon as you feel a migraine attack coming. However, it can be taken at any point during an attack. Some patients may need 100mg dose if the 50mg dose is not enough to control the symptoms. It is important to take it as prescribed.

You can take a second tablet at least 2 hours after the first tablet, if you feel that your symptoms are coming back. You should not take more than 300mg within 24 hours. However, if you feel that the first tablet is ineffective, do not take a second tablet for the same attack and ask your doctor or pharmacist for advice.

Side effects of Sumatriptan

Like all medicines, Sumatriptan can cause some side effects, although not everyone gets them.

The most common side effects associated are: pain or heaviness in the chest, feeling dizzy or sleepy, nausea and vomiting, and tingling sensations. Side effects are normally mild but if you experience intense pain in the chest or any troublesome symptoms, you should stop taking Sumatriptan and consult a doctor urgently. It is also important that if you experience any dizziness that you avoid driving or operating machinery.

If you experience severe allergic reactions with symptoms such as difficulty breathing, swelling of the lips, eyes, or face, or an itchy rash, you should stop using Sumatriptan and seek urgent medical advice.

The full list of side effects can be found on the patient information leaflet.


When ordering from Medicinesbymailbox, you may be asked to fill in a series of Yes/No questionnaires to determine your suitability to the medication. You should NOT take Sumatriptan without consulting a doctor if you:
  • are allergic to sumatriptan
  • have a heart problem, such as narrowing of heart artery, chest pains, high blood pressure
  • have severe liver or kidney disease
  • are allergic to antibiotics called sulphonamides
  • are pregnant or breast feeding

Some medications have the potential to interact with Sumatriptan, so you should let your doctor or pharmacist know if you are taking these medicines:

  • St John's Wort
  • other medications for migraine such as ergotamine and other triptans
  • antidepressants such as MAOIs, SSRIs and SNRIs

If you are not sure what does any of these mean, you should check with your doctor or pharmacist.

Patient information leaflet

The 'patient information leaflet' supplied with the medication should be read before use.