Compound Polyethylene Glycol Electrolyte Bulk is still effective after brewing with boiling water. Compound Polyethylene Glycol Electrolyte Bulk after brewing with boiling water will not affect the efficacy of the drug in general, the effect of the drug will not be affected by the temperature of the water, but for the sake of convenience, it is not recommended to use boiling water, can be used with water or lukewarm boiled water to take. Compound Polyethylene Glycol Electrolyte Dispersant is mainly used to clean the intestines before colonoscopy or intestinal surgery, which may cause abdominal pain, bloating, vomiting, insomnia, chills, urticaria, blood pressure drop and other adverse reactions. It is contraindicated for intestinal obstruction, intestinal perforation, gastrointestinal bleeding, gastric retention, toxic enteritis, toxic megacolon. Use with caution in severe ulcerative colitis, coronary heart disease, old heart infarction, renal dysfunction, pregnant and lactating women. It is recommended to take the drug under the guidance of a physician, do not take the drug on your own.