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What is the definition of a migraine trigger?

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A trigger is a factor that can set off a migraine in people who are predisposed to migraines; some common triggers include emotional stress, sensitivity to specific chemicals and preservatives in foods, caffeine, changing weather conditions, changes in female hormones, tension, excessive fatigue, skipped meals, or changes in normal sleep patterns.

From: Migraine and Headache Glossary WebMD Medical Reference

SOURCES: Mayo Clinic. National Institute of Neurological Disorders and Stroke.

Reviewed by Nayana Ambardekar on February 13, 2019

SOURCES: Mayo Clinic. National Institute of Neurological Disorders and Stroke.

Reviewed by Nayana Ambardekar on February 13, 2019

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