11 year old has had diarrhea since last Wednesday 12/14/11, carrying a low grade fever since, the diarrhea stopped over that weekend, then started back up on Monday, Gave him imodium and he did not have but one bowel movement, then this monring he is vomitting and diarrhea at same time. No one else in house has been sick or got it yet. Not sure what is going on with him. .