Saturday, July 9, 2011

migraine

Migraine (from the Greek hemi, half, and that is kranion, which means that the skull is a chronic neurological disorder that is characterized by moderate to severe headache and nausea. This is about three times more common in women than in men.

 
The typical migraine headache is unilateral (affecting half the head) and bright nature and lasting 4 to 72 hours, the symptoms: nausea, vomiting, photophobia (sensitivity to light), phonophobia (hypersensitivity to sound), the symptoms are usually exacerbated by daily activities. About a third of people suffering from migraine aura, transient feeling of visual, sensory, speech or movement disorders suggests that migraine is held in the near future.

 
Initial treatment of analgesics for headache, nausea and antiemetic avoid triggerov.Prichinoy migraine is not known, the majority supports the theory that increased excitability of the cerebral cortex and / or abnormal control of pain neurons in the trigeminal nucleus of the brain stem is used.

  
Twin studies 60 - 65 percent of the genetic influence on their tendency to develop migraines. In addition, fluctuations in hormone levels show a migraine proportions: 75 percent of adults are women, while migraine affects approximately equal numbers of pre-adolescent boys and girls, the tendency to migraine is known to disappear, that during pregnancy, although it may in some women migraine more  Frequently during pregnancy.