Migraines and Headaches Basics Why Do Migraines Occur? Share Pin Email More in Migraines and Headaches Basics Migraine Symptoms Diagnosis Treatment Coping Understanding Migraines Updated April 21, 2016 Why do migraines actually occur? Here's what to know. Up Next Up Next Article IBS & Migraines: Why Do I Have Both? Up Next Article Can I Predict a Migraine Attack? Up Next Article What's the Link Between Migraines and Ringing in Your Ears? Up Next Video Are Migraines Connected to Strokes?