This include AIDS, ulcerative colitis and various skin and immune-system disorders.

Some of the reported manifestations include intussusception, small intestinal bacterial contamination, colitis and others.

In all, Mrs. Greenstein, whose ailments include high blood pressure and colitis, takes 12 prescription medicines daily.

The problems included severe constipation and ischemic colitis, in which circulation to the gut is cut off.

Such diseases include hypertension, colitis, asthma, and eczema.

Inflammatory bowel diseases, which include Crohn's disease and ulcerative colitis, are a bit mysterious.

Side-effects include nausea, vomiting, rashes, and antibiotic-associated colitis.

Causes include: hemorrhoids, cancer, angiodysplasia, colitis, and aortoenteric fistula.

Other conditions with symptoms similar to Crohn's disease include diverticulitis and ulcerative colitis.

Gastrointestinal causes include celiac disease, Crohn's disease (orofacial granulomatosis), and ulcerative colitis.