Migraines and Headaches Migraine Symptoms What Are Secondary Headaches? Share Pin Email More in Migraines and Headaches Migraine Symptoms Awareness Diagnosis Treatment Coping Understanding Migraines Updated April 06, 2016 What is a secondary headache? This is what you should know. Up Next Up Next Video What Diseases Cause Secondary Headaches? Up Next Video Should I Go to the Emergency Room for a Headache? Up Next Video Why Do You Get Headaches? Up Next Video Are Migraines Dangerous?