Migraines and Headaches Awareness Why Do Migraines Occur? Share Pin Email More in Migraines and Headaches Awareness Migraine Symptoms Diagnosis Treatment Coping Understanding Migraines Updated April 06, 2016 Why do migraines actually occur? Here's what to know. Up Next Up Next Video What is a Migraine? Up Next Video Are Migraines Dangerous? Up Next Video How to Cure a Migraine Up Next Video Are Migraines Connected to Strokes?