A colonoscopy can be a little painful or uncomfortable, but if you want to minimize the pain, you can also choose to have a painless colonoscopy.
Painless colonoscopy is through the injection of anesthesia so that the patient is in a state of anesthesia, at this time the doctor then give the patient a colonoscopy, the patient will not feel the pain.
Before the colonoscopy first need to take oral laxatives to clean up the intestinal tract, the doctor will insert the colonoscope from the patient’s anus, with the help of the camera installed in the front of the colonoscope to observe the intestinal lesions.
During the examination, the doctor will inject gas into the intestines in order to expand the intestinal lumen for observation, so it will produce a feeling of abdominal distension; due to the curvature of the intestines, in the process of penetrating into the intestines, the doctor will rotate the mirror body, resulting in the intestines to be implicated in the process of stretching, so the patient will feel the pain, especially patients who have had abdominal surgery, the pain is even more severe.