I have never had this condition before. About a week ago I had an immediate bloating reaction from half a beer, and thought that I was having a bowel movement. I tried to go to the bathroom but couldn't. I then had diarrhea from that point on. I still have the same immediate reaction to beer, and have found that it also happens after eating peanuts or cheese, although it takes about an hour longer with these. Otherwise I feel completely normal, but still have diarrhea.