I've had chronic daily migraine for over 20 years. They have been bilateral not one-sided, for all this time. Lately I've been experiencing left-sided migraines with numbness and tingling in my extremities. I've had a TIA, mini stroke approximately 10 years ago and wonder if this change in my migraine pattern means I'm more susceptible to having a stroke? Thank You! ~~Pam.
Thank you for your excellent question. Your question raises two important issues:
what does it mean when migraine patterns change, and
what is the relationship between migraines and stroke.
First, a change is pattern of migraines, especially one that has been as longstanding as yours has been, can be concerning. Usually it doesn't mean anything more than just that your migraines have changed with time. But as a general rule, if your migraine pattern changes and there is not an easily identifiable reason (i.e. new medication, new medical condition, new stressful ...
Causes The exact causes of migraine are unknown. Doctors think that migraine may start with an underlying central nervous system disorder. When triggered by various stimuli, this disorder may set off a chain of neurologic and biochemical events, some of which subsequently affect the brain's blood vessel (vascular) system. There is certainly a strong genetic component to migraine. Several different genes are likely to be involved in the great majority of migraine cases. Numerous other brain chemicals and nerve pathway disrupters may play a role. They include the neurotransmitter (brain chemical messenger) serotonin, magnesium deficiencies, and abnormalities in the channels within cells that transport electrical ions such as calcium. Migraine Triggers A wide range of events and conditions can alter conditions in the brain that bring on nerve excitation and trigger migraines. They include: Emotional stress Physical exertion (such as intense exercise, lifting, or even bowel movements or sexual a...
Many Migraineurs have become aware that having Migraine disease increases our risk of stroke. In women with Migraine , there is an average of 2.16 times greater risk of stroke. An increase in cardiovascular events, including stroke, in men with Migraine has also been established. A new study published in Neurology, the medical journal of the American Academy of Neurology, provides more incentive for female Migraineurs to manage their Migraine disease and stoke risk factors. According to a study published June 20, 2007, in the online edition of Neurology ® , more women than men appear to be having a stroke in middle age. Researchers say heart disease and increased waist size may be contributing to this apparent mid-life stroke surge among women. Study Objective : This study had a twofold objective: To assess gender differences in stroke prevalence rates in midlife years and to identify potentially determining factors that influence these differences. To assess stroke and other vascular ri...
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