Is it possible for migraines to make you feel crazy?

It is possible: Migraine is a serious and complex neurologic disorder. Headache, vertigo, visual disturbances nausea, vomiting, sensitivity to light or sound, dizziness, neck pain, stomach nose bleeding, visual and auditory hallucination are common symptoms, mental disturbance. This condition must be professionally managed. See an orofacial pain or headache specialist for evaluation and management.