A migraine is a severe, throbbing headache. It is a common condition, affecting approximately 20% of women and 7% of men. Migraine headaches can occur on one or both sides of the head and are often accompanied by other symptoms e.g. nausea/vomiting or sensitivity to light/noise.
Why some people have migraines is not clear. It is assumed that migraines occur when blood vessels around the brain widen.
Some patients experience migraine with aura, which means they also have symptoms such as problems with vision, numbness of face or limbs, problems with speech or dizziness. We strongly advise if you have any aura symptoms that you see your GP to ensure that they are due to the migraine alone and that there is no other cause for them.
Migraines can also be caused by trigger factors for some people. Triggers can be all sorts of things. For example:
Diet: Dieting too fast, irregular meals, cheese, chocolate, red wines, citrus fruits.
Environmental: Smoking and smoky rooms, glaring light, VDU screens or flickering TV sets, loud noises, strong smells.
Psychological: Stress, anxiety, anger, tiredness, etc.
Other: Periods (menstruation), shift work, different sleep patterns, the menopause, some medicines e.g. the Pill.
It may helpful to keep a migraine diary. Note down when and where each migraine attack started, what you were doing, and what you had eaten that day. A pattern may emerge, and it may be possible to avoid one or more things that may trigger your migraine attacks.
Sumatriptan (otherwise know under the brand name Imigran) is a popular treatment for migraines and belongs to a class of medicines known as ‘triptans.’ Triptans work differently to painkillers as they work by stimulating 5HT (serotonin) receptors in the brain to reverse the temporary widening of the blood vessels there which are though to contribute to a migraine attack. As well as treating the cause of the migraine, they also help to reduce associated symptoms such as headache, nausea, vomiting and sensitivity to light or sound.
Sumatriptan should be taken when lifestyle changes and analgesics such as paracetamol, aspirin, ibuprofen, (or those analgesics combined with codeine) haven’t worked. It cannot be used to prevent a migraine, only to treat one.
Sumatriptan is for use in patients aged between 18-65. Take one tablet as soon as possible after the first signs of a migraine. The recommended dose of Sumatriptan is 50mg, however some patients may require 100mg.
If you respond to the first dose but symptoms recur, a second dose may be given, provided that there is a minimum interval of two hours between the two doses. If you don’t respond to the first dose, then do not take a second dose.
The tablets should be swallowed whole with water. Patients with swallowing difficulties may choose to disperse a tablet in a small amount of water before administration. Sumatriptan dispersed in water has a bitter taste.
Imigran is the more expensive branded form of the generic medicine Sumatriptan. Both medicines have EXACTLY the same active ingredient and will work in EXACTLY the same way.
Generic medicines are always better value for money.
When drug companies first make a medicine, they have a certain period of time where they exclusively hold the licence for that product (and therefore have a monopoly on the medicine and its price). This can help them to recoup the cost of the research and development of the medicine in the first instance.
However, once this licence expires, other drug manufacturers are able to make the same product (the generic) which opens the market up to competition and prices for the medicine tend to be reduced.
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