I'm taking 1000 mg Metformin in a.m. and 1000 mg Metformin in p.m. and having 4 - 6 episodes of explosive explosive diarrhea 4 - 6 times a a day. I try to control it with 4 - 5 Imodium a day. Does anyone else have this problem and if so, what can be done to alleviate this problem. Currently I am off all Metformin and no symptoms of diarrhea, but my blood sugars are ranging from 150 - 169.