Do colonoscopy drink laxatives for an hour without response, may be seen in patients with intestinal obstruction, should be timely fasting, gastrointestinal decompression and other treatments; in addition to intestinal obstruction, you can massage the abdomen, increase the movement, but also increase the dose of laxatives, or replace other laxatives or enemas. 1. Massage the abdomen, increase exercise: it is recommended that the navel as the center, clockwise massage of the abdomen, to promote intestinal peristalsis, to help discharge stools, but also moderate exercise. 2. Increase the dose: some people are not sensitive to laxatives, resulting in drinking laxatives for an hour and no reaction, can be appropriate to increase the dose, but must be carried out under the guidance of a doctor, do not increase the dose of laxatives to avoid serious adverse reactions. 3. Replacement of other laxatives: each person’s reaction to the laxative is different, may not be sensitive to the laxative, it is recommended to follow the doctor’s instructions to replace other laxatives. Do colonoscopy drink laxative one hour no reaction to be timely and the attending physician to explain, under the guidance of the doctor to solve.