Go on any migraine forum and look at the first treatment doctors give. Topomax. Some people do well on it. A huge number of people become very stupid on it. (

Go on any migraine forum and look at the first treatment doctors give. Topomax. Some people do well on it. A huge number of people become very stupid on it. (I managed to run myself over with my own car) Tons of drugs cause cognitive issues. I actually started taking a simple test daily to map my cognitive ability on various treatments.