18 months ago spent 7 weeks with a vegetarian friend so only ate fruit and veg. On my return n home had several bouts of explosive diarrhea and I mean explosive, didn't  make it to the BATHROOM!!!  Doctor said had to rule out bowel cancer. Colonoscopy copy clear blood tests clear stool sample clear. No blood.  Things settled down a bit but still occasional bouts of diarrhea for which o took imodium. Chemist said I should go back to doc. Doc said take imodium everyday which o tried but then didn't  go at all and felt sick and faint. Pain down the right side of tummy, weight loss and losing all my strength several times a day. Will go back to docs this week (if there are any appointments). Any ideas what else it can be. Love alone with my dog and feel very scared now.