What is chronic diarrhea?

Chronic diarrhea is frequent, loose, watery stools lasting at least four weeks. Diarrhea that lasts more than a few days, especially if bloody or accompanied by a fever, should be evaluated and treated by your health care provider. Possible causes of of chronic diarrhea include:

• Infection with bacteria, viruses or parasites
• Irritable bowel syndrome
• Lactose intolerance or dietary fructose intolerance
• Food allergies
• Intestinal diseases such as Crohn's disease or ulcerative colitis
• Certain medications or supplements