Other Causes of diarrhea:
o Bowel Resection
o Carcinoid (a tumor arising especially from the mucosa of the gastrointestinal tract)
o Collagenous Colitis
o Celiac Disease
o Fistula
o Ischemic Bowel
o Colon Cancer
o Medications (antibiotics, laxatives containing magnesium, and chemotherapy drugs)
o Parasites of Bowel
o Whipple Disease (intestinal lipodystrophy)
o Inflammatory Bowel Disease
o Human Immunodeficiency Virus
o Zollinger-Ellison syndrome
o Following gastrectomy (partial removal of the stomach)
o High dose radiation therapy
o Microscopic Colitis (Lymphocytic Colitis and Collagenous Colitis)
o Hyperthyroidism:
Excessive functional activity of the thyroid gland.
o Crohn's Disease:
Chronic inflammation of the distal portion of the ileum, often spreads to the colon, and is characterized by diarrhea, cramping, loss of appetite and weight with local abscesses and scarring ;called also regional enteritis, regional ileitis.
o Melanosis Coli:
Dark brownish black pigmentation of the mucous membrane of the colon due to the deposition of pigment in macrophages.
o Ulcerative Colitis:
Chronic inflammation of the colon marked by diarrhea with discharge of mucus and blood, cramping abdominal pain,inflammation and edema of the mucous membrane with patches of ulceration.
o Addison Disease:
Adrenal gland insufficiency characterized by weight loss, muscle weakness, fatigue, low blood pressure, and sometimes darkening of the skin in both exposed and nonexposed parts of the body;called also Hypocortisolism.
o Clostridium Difficile Colitis (Antibiotic-Associated Colitis, C. difficile colitis)