Migraine
Usually, periodic attacks of headaches on one or both sides of the head. These may be accompanied by nausea, vomiting, increased sensitivity of the eyes to light (photophobia), increased sensitivity to sound (phonophobia), dizziness, blurred vision, cognitive disturbances, and other symptoms. Some migraines do not include headache, and migraines may or may not be preceded by an aura.
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- Migraine aura
A sensory phenomenon that may occur before a migraine. Visual auras may include flashing lights, geometric patterns, or distorted vision. Some people may have aural auras that involve hearing sounds (usually buzzing) that are not actually present, olfactory auras that involve smelling odors that are not actually present, or tactile auras that appear as premonitory […]
- Migraine headache
The most common type of vascular headache involving abnormal sensitivity of arteries in the brain to various triggers resulting in rapid changes in the artery size due to spasm (constriction). Other arteries in the brain and scalp then open (dilate), and throbbing pain is perceived in the head. The tendency to migraine is inherited and […]
- Migraine, abdominal
An attack of abdominal pain that may be preceded by a migraine aura and accompanied by nausea, vomiting, and cognitive disturbance.
- Migraine, classic
Migraine with aura. Accounts for no more than most 20% of migraines. See Migraine.
- Migraine, ocular
A migraine involving the eyes that results in distortion of visual images, accompanied or followed by headache. An ocular migraine usually affects only one eye at a time. Image distortion generally begins in the center of the image and then moves to one side. Images ‘gray out’ or look wavy, and sight may be lost […]