Anorexia nervosa

Autoimmune enteropathy

Bacterial overgrowth

Collagenous sprue

Crohn's disease

Giardiasis

Human immunodeficiency virus enteropathy

Hypogammaglobulinemia

Infective gastroenteritis

Intestinal lymphoma

Irritable bowel syndrome

Ischemic enteritis

Lactose intolerance

Other immunodeficiency states

Soy protein intolerance

Tropical sprue

Tuberculosis

Whipple's disease

Zollinger-Ellison syndrome