Is there any data, published or anecdotal, that regular blood donation may affect the frequency and/or severity of migraines in patients with chronic recurrent migraines?
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"This is anecdotal -- I have had migraines for about 25 years. Within that period of time I have been able to characterize what 'triggers' my migraines. Some are hormonal, the others are related to lack of sleep, DEHYDRATION, and stress. My headaches are well-characterized enough that my primary care physician has asked me to lead a 'headache-relief' group (I declined, due to lack of time, and because my schedule is so full that I don't want to cause more stress!!) When I recognize that my 'mouth is dry' I can say, I am dehydrated, and be in the midst of a full-blown migraine within about 30 minutes. When you review the literature they constantly refer to foods that may trigger migraines - but look at the foods; nuts, aged cheeses, smoked meats, pickled foods, red wine, caffeine -- ALL FOODS THAT WOULD RESULT IN A LEVEL OF DEHYDRATION -- that is my own opinion, just what I have seen - nuts make you thirsty, cheeses make you thirsty, smoked meats make you thirsty, hence, dehydration.Related to blood donation, I have been a blood donor for years, but I 'chug' about 32 ounces of water the morning of donation, have lunch with another GIANT 'chug' of water, and then donate. I do this because otherwise, I tend 'not to feel well' during / after donating. I think I 'pre-medicate' by drinking all of this water, so a migraine following donation has not occurred for me, but it certainly makes sense with all of my other information."
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