irritable bowel syndrome
"I've been on this a month and it's been horrible. I have IBS that goes in waves, sometimes I'm fine sometimes my bowels are very unpredictable. This has given me the worst stomach pain I can imagine every day since I began. I have no appetite and I also rarely have bowel movements anymore, but 24/7 I feel like I will have diarrhea.... but I never do. It's miserable, I can barely go anywhere due to the stabbing pain."