A laxative taken before a colonoscopy.

The laxatives taken before colonoscopy are mainly polyethylene glycol electrolyte powder, etc.

These laxatives increase the moisture in the intestinal tract, making the stool soft and diluted, thus facilitating the emptying of the intestinal tract. Polyethylene glycol electrolyte powder is not absorbed by the intestinal tract and can be relatively safe to achieve the purpose of cleaning the intestinal tract. Usually, it is necessary to take it according to the prescribed dosage and method within a certain time before the examination. Patients need to strictly follow the doctor's instructions to ensure that the intestinal tract can be fully cleaned and provide good conditions for the examination. Some patients may experience nausea, vomiting, abdominal distension and other discomfort, but generally mild and tolerable. If adverse reactions are serious, inform the doctor in time, and the doctor will handle them according to the specific situation.