Ileal ulcers are contagious if they are caused by tuberculosis. Tuberculous ileal ulcers are an infectious disease of the intestines caused by infection with Mycobacterium tuberculosis, which can be transmitted through the digestive tract. Many cases of intestinal tuberculosis are secondary to pulmonary tuberculosis or blood-borne tuberculosis, tuberculous peritonitis, and other diseases. Intestinal tuberculosis can be a chronic, specific infection of the intestines caused by Mycobacterium tuberculosis after swallowing the bacillus, and usually develops in the ileocecal region. Intestinal tuberculosis may be contagious, if you have this kind of disease, pay attention to the digestive tract isolation, respiratory isolation, and at the same time under the guidance of the doctor regular anti-tuberculosis treatment.