Common migraine is not. Migraine headaches affect about 6 out of 100 people. They are a common type of chronic headache. Migraines most commonly occur in women and usually begin between the ages of 10 and 46. They appear to run in families in some cases.
Classical migraine accounts for about one-sixth of all migraines.
In people who tend to have migraines, preventive medications may reduce the number of incidences of headache . Avoid factors that have triggered a migraine in the past. See the Treatment section. Migraine headache may be diagnosed by the health care provider based on the pattern of symptoms, history of migraines in the family, and the response to treatment. A physical examination shows no detectable abnormalities.