<unk>  can be classified as diarrhea-predominant <unk> -D), constipation-predominant <unk> -C), with mixed/alternating stool pattern <unk> -M/IBS-A) or pain-predominant. In some individuals,<unk>  may have an acute onset and develop after an infectious illness characterized by two or more of: fever, vomiting, diarrhea, or positive stool culture. This postinfective<unk>  has consequently been termed "postinfectious<unk> " <unk> -PI).
Irritable bowel syndrome
Bile acid malabsorption
Crohn's disease
Colorectal cancer
Ulcerative colitis
Non-celiac gluten sensitivity
IBS
Inflammatory bowel disease