20090325994METHODS OF TREATING DIARRHEA CAUSED BY SMALL INTESTINAL BACTERIAL OVERGROWTH - Disclosed is a method of diagnosing irritable bowel syndrome, fibromyalgia, chronic fatigue syndrome, depression, attention deficit/hyperactivity disorder, autoimmune diseases, such as multiple sclerosis and systemic lupus erythematosus, or Crohn's disease, which involves detecting the presence of small intes