What conditions need to be colonoscopy

Lower digestive tract colonoscopy to colonoscopy application is more, indications are very wide, such as the performance of the following conditions should pay attention to timely examination: 1. Unexplained hematochezia or laboratory examination stool occult blood continued positive. 2. Stool habits change, such as diarrhea, constipation stool frequency or defecation incomplete feeling. 3. Abdominal pain, accompanied by abdominal hard lumps, weight loss and anemia. 4. Ulcerative colitis, Crohn's disease and other intestinal inflammation diagnosis and follow-up. 5, barium enema examination colon stenosis, ulcer, polyps, cancer and other lesions, need further examination of patients. In addition, the family has a history of colon disease, colorectal cancer, immediate family members, it is also recommended to do an annual examination screening.