Ocular Migraine
Available evidence suggests that migraine pain is one symptom of several
to many disorders of the serotonergic control system, a dual
hormone-neurotransmitter with numerous types of receptors. Two disorders
— classic migraine with aura (MA, STG) and common migraine without aura (MO, STG) — have been shown to have a genetic factor.[8] Studies on twins show that genes have a 60 to 65% influence on the development of migraine (PMID 10496258 and PMID 10204850
). Additional migraine types are suspected and could be proven to be
genetic. Migraine understood as several or many disorders could explain
the inconsistencies, especially if a single patient has more than one
genetic type.
I have cut out caffeine, and now drink 1.5 litres of water a day. I was having very regular attacks (5 a week); these have cut back to about 1 every six months.
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