A migraine is a severe headache, often associated with other symptoms including nausea, vomiting, light sensitivity (photophobia) and noise sensitivity (phonophobia). An aura may occur before the migraine headache starts. An aura is a collection of symptoms which can include visual disturbances, sensory problems or speech problems. Migraines can be triggered by various factors including lack of sleep, excessive caffeine and stress. Many patients have…