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What causes migraine headaches?

April 26, 2017causes headaches migraine

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What causes migraine headaches?

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For most people migraine is a hereditary medical condition. Some people get migraine headaches after head trauma or a brain injury. Several different brain chemicals (neuro-transmitters) are involved in triggering and perpetuating the migraine attack. Inflammatory changes develop around blood vessels and there are alterations in blood flow to the brain. The usual electrical activity of the brain may change. This complex sequence of events causes the pain and the other symptoms associated with migraine. Since the same neurochemical transmitters which are involved in migraine are necessary for other body functions such as sleep and mood, it may not be unusual for people with migraine to experience depression, anxiety, panic attacks and sleep disturbances. These associations are important in developing an effective program for preventive migraine treatment.

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Migraines may be caused by a number of things. Frequently the cause is unknown, but triggers may include stress, anxiety, depression, particular foods or alcohol. Hormones are also common triggers – many women experience migraines with changes in their estrogen levels during menstruation.