Patient: Description of the condition (time of onset, main symptoms, hospital visited, etc.): 1. Before the colonoscopy, I needed to drink Shu Tai Qing, but after drinking four big boxes of stool, I still could not pass a lot of stool, and during the colonoscopy, I found that there was still a lot of stool. What is this? Is it constipation? 2. I took the bus home that afternoon and felt a strong urge to stool on the way, so I held it for 2 hours, but when I got home, I just couldn’t defecate, it was very uncomfortable, I wanted to squat the toilet but couldn’t. 3.Usually, I just always want to go to the toilet, but I can’t defecate, I can’t hold it, my anus is tighter than before, my doctor prescribed me 4 boxes of polyethylene glycol electrolyte bulk (Shu Tai Qing), he said it is to make me defecate. (1) Is this medicine harmful to the intestines? Is it possible to become dependent on this medicine if I take it regularly? (2) If it is not harmful, how do I take it? Should I take two bags a day or should I take four boxes of pills within a few hours? (3) What should I do? I’d like to thank the doctor for the faster cure. The doctor: Hello, Shu Taiqing this drug used to do colonoscopy before the intestinal preparation is now more commonly used in the clinic, in general, the intestinal preparation of this drug is more effective, the cleanup will be more thorough, the patient after taking the drug less painful than taking other irritating laxatives, but because of individual physical, medication, medication time and personal sensitivity to the drug is different, so you can also see after taking the drug intestinal preparation is not very This is a normal phenomenon and should not be a cause for concern. This drug is used for intestinal preparation will not cause dependence, can be taken without worry. The specific method of taking: 2A + 2B + 250ml of water, every ten to fifteen minutes orally, generally three boxes can play a very good role, the fourth package can be spare, if the first three packages of intestinal preparation is not ideal can be taken according to the former law following the fourth box. As for your feeling of strong bowel movement after the colonoscopy but can not solve the stool, it may be caused by the colonoscopy, because the majority of residual stool in the intestinal tract by drinking medicine before the colonoscopy, the remaining stool in the intestinal tract is very little, and the colonoscopy needs to inject a certain amount of gas into the intestinal cavity in order to fill up the intestinal cavity is round, in order to observe, so the patient after the examination because the intestinal tract This is not due to the presence of stool, but to the stimulation of the residual gas in the intestine, which can be relieved by going to the toilet and exhausting. So after the colonoscopy, the desire to go to the toilet to defecate only to eliminate some gas, and can not solve the stool is not too worried. The fact that you always have the urge to go to the toilet may be caused by the inflammatory stimulation of the lower end of the intestine, because of the stimulation of local inflammation, congestion and edema, so the anus will always feel a sense of discomfort, always feel the urge to go to the toilet, these conditions as long as the local inflammation can be eliminated to relieve disappearance, you can use some local anti-inflammatory suppositories or local enema or oral anti-inflammatory drugs to remove the bloating treatment The following is a list of the most important things you can do.