I am wondering what this is...a couple times a year I get this intestinal thing, but not diarrhea and vomiting. It starts with constipation, my gut feels sore, then I get chills and that achy all over feeling. By the second day I am having BMs - maybe 3 a day so I'm not sure it is constipation. The worst part is only 1-2 days, but it takes a couple more days to feel back to normal. I feel some pain/cramping in my gut before I have to go. It usually hurts to pass a stool and then the cramping stops. I am not at all hungry during these episodes.