Hi rerdgy,   Three days is too long time to have head pain, but only a qualified doctor can diagnose you. A single Migraine that lasts 72 hours or longer with less than a solid four-hour pain-free period, while awake, is termed status Migrainous. You should see your doctor or go to the emergency room if a Migraine lasts that long. See Status Migrainous - The Basics for more information.   I can provide you with information on Cluster headaches you may want to share with your doctor. Cluster Headaches - The Basics. But getting an accurate is vital. It's important to note that neurologists aren't necessarily Migraine and headache specialists. Take a look at the article Migraine and Headache Specialists - What's So Special? If you need help finding a Migraine specialist, check our listing of Patient Recommended Migraine and Headache Specialists   Good luck Nancy