Migraine headaches vary from person to person.
Typically they are throbbing headaches affecting one side of the head.
They are often accompanied by a number of other symptoms, which also vary according to individual cases.
Some people have very little head pain but suffer from distorted vision and hearing or feelings of intense anxiety.
Some may suffer from incapacitating pain lasting for several days.
Others see flashing lights or bright colors in unusual shapes.
Nausea, vomiting, chills, fever, dizziness, diarrhea, abdominal, arm, or leg pain, and sensitivity to light are still other symptoms that may accompany a migraine.
Regardless of the differing symptoms, all migraine headaches are related to changes in the blood vessels of the head and neck.
Early warning symptoms of a migraine are thought to be caused by a narrowing of these blood vessels while the head pain is believed to be a result of the subsequent expanding or dilating of the vessels.
Many people are warned of an impending migraine attack by bizarre distortions of size, position, time and place.
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