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Sumatriptan is prescribed for acute migraine headaches in adults. It is not used to prevent migraine headaches and is not to be used for the relief of cluster headaches. It belongs to the group of medicines called triptan.

What is Sumatriptan for?

Sumatriptan, belonging to a class of medicines named Triptan, is a medication used in the treatment of acute migraine headaches in adults. It is neither a medication that will prevent migraine headaches nor is it used to treat cluster headaches. 

Some patients claim that upon taking this medication, their headaches go away completely. Others say that their headaches had become more bearable and less painful. Either way, it provides individuals great relief in managing their headaches, allowing them to go about their daily routine. 

Sumatriptan also effectively relieves other symptoms that manifest when you have migraine headaches, such as light or sound sensitivity, vomiting, and nausea. 

Sumatriptan is not a typical pain reliever and will only relieve pain from migraine headaches. Sumatriptan is commonly prescribed by physicians when other pain relievers, such as aspirin or acetaminophen, are ineffective in treating migraine headaches. 

Sumatriptan: How Does it Work?

Sumatriptan works by narrowing the blood vessels in your brain to provide relief from the swelling. Being a serotonin-1 receptor agonist, Sumatriptan also reduces triggers that cause symptoms brought about by migraines such as headaches, vomiting, and sensitivity to noise and light. Sumatriptan is effective in treating moderate to severe migraine headaches. 

This medication is most effective if taken at the first symptom of a normal headache that turns into a severe migraine. But even if the headaches have started, Sumatriptan will still effectively provide relief. However, it may take more time for the pill to take full effect if taken when the migraine has already started.

Sumatriptan: How Do You Take It? 

You must accurately and strictly follow your physician’s prescription for Sumatriptan. Take time to carefully read through the information pamphlet that comes with the medication package. Do not take Sumatriptan longer than what your physician prescribes. 

For faster and more effective results, take the Sumatriptan pill by swallowing it with a glass of water at the early onset of a migraine or at the moment you feel the migraine symptoms.  

Do not be alarmed if your physician instructs you to take the first pill in his clinic. He may ask you to do this so he can immediately see if you have any negative reactions or experience serious side effects to this medication. 

What is the Correct Dosage for Sumatriptan

Doses come in three strengths: 20mg, 50mg, and 100mg. The correct dosage varies from person-to-person. To determine the accurate dosage for your specific medical condition, consult a physician. Your physician will assess the severity of your condition and will prescribe the strength that will be most effective in treating your migraine headaches. 

To treat migraine headaches, adults can take a single dose of Sumatriptan in any of the three strengths (20mg, 50mg, or 100mg). Dose strength will depend on the severity of your symptoms as determined by your physician. For example, if you have a severe migraine headache, your doctor may recommend taking a high dose of 100mg. 

If you notice that the migraine headache has not been relieved or has returned, you may take another pill two hours after the initial dose. You should not take more than 200mg of the Sumatriptan pill in 24 hours. 

Can You Buy Sumatriptan Online in the UK? 

You can safely purchase Sumatriptan pills from, a trusted online pharmacy in the UK. Simply show us your prescription and we will fill it out for you. If you don’t have a prescription, you may avail of our online doctor’s consultation service to help you get one. This online service from will help determine if Sumatriptan is the suitable medicine to address your medical condition. 

Please note: this page is only to be used as a reference of our price for this medication. If you are approved for General Health medication, you will be offered treatment for you and the prescriber to jointly consider. However, the final decision will always be the prescriber's.
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