Migraine is a chronic neurological disorder characterised by recurrent moderate to severe headaches often in association with a number of autonomic nervous system symptoms. Typically the headache is unilateral (affecting one half of the head or face) and pulsating in nature, lasting from 2 to 72 hours. Associated symptoms may include nausea, vomiting, photophobia (increased sensitivity to light), phonophobia (increased sensitivity to sound), tingling sensation on one side of the face or in your arm or leg. Triggers for migraine onset may include hormonal changes in women, stress, alcohol, food additives, bright lights etc. Pain is generally aggravated by physical activity.
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