<unk>  is a chronic, episodic, inflammatory bowel disease (IBD) that affects the entire wall of the bowel or intestines.<unk>  can affect any part of the gastrointestinal tract from mouth to anus; as a result, the symptoms of<unk>  vary among afflicted individuals. The disease is characterized by areas of inflammation with areas of normal lining between in a symptom known as skip lesions. The main gastrointestinal symptoms are abdominal pain, diarrhea (which may be bloody or the blood may not be seen by the naked eye), constipation, vomiting, weight loss or weight gain.<unk>  can also cause complications outside of the gastrointestinal tract such as skin rashes, arthritis, and inflammation of the eye. Diagnosis of<unk>  requires an endoscopic evaluation of the colon followed by biopsy. Treatment for<unk>  depends on the location and severity of disease, complications, and the person’s response to previous medical treatments when treated for recurring symptoms.
Crohn's disease
Irritable bowel syndrome
Ulcerative colitis
Tropical sprue
Inflammatory bowel disease
Allergic colitis
Drug-induced colitis
Celiac disease