Many Causes: Headaches can come from a variety of conditions. Migraines are usually associated with four stages — prodrome, aura, attack and postdrome though they don't have to have any or all of these. They classically have visual disturbances like shimmering images.
Answered 4/7/2015
5.9k views
A doctor has provided 1 answer
9 doctors weighed in across 4 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question