Migraine is a chronic type of headache that occurs in episodes and affects the day to day activities of an individual. It usually affects one side of the head. Between migraine episodes, the patient is absolutely free of pain. Migraine is the most common neurological condition in the developed world.
There are 2 main types of migraine:
- Migraine with aura/ sense of warning – classic migraine
- Migraine without aura - common migraine
Complications of migraine include:
Status migrainosus - headaches occur for a period of 15 or more days per month for 3 or more months
Persistent aura without infarction - aura for duration of more than 1 hour and less than 1 week with absence of cerebral infarction. Infarction means obstruction of blood supply, hence, blood supply is not obstructed in this type of migraine. Migrainous infarction - infarction detected in imaging and neurological deficit lasts for more than 1 month. This is also called migraine-induced stroke and is common in young women with a history of migraine with aura. MRI/neuroimaging show abnormalities in relevant areas due to inadequate blood flow.
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