It could be a lot of things. The bowel movement could point to a food sensitivity. I would try to remember what I ate that day (even new brands of the same type of food, if pre-prepared), and pay special attention in the future if you ever eat them again.
There is a lot of information out there about
food sensitivity and migraine. You can read up about
Post Edited (EvilFluorescents) : 3/29/2011 10:57:05 AM (GMT-6)