Generally speaking, you will not become thin after doing colonoscopy, but some people will experience weight loss, which may be related to the loss of water in the body, gastrointestinal dysfunction caused by drugs, or their own psychological factors.
1. Water loss: in order to improve the accuracy of the examination, do colonoscopy before the need to empty the gastrointestinal contents, so the need for special means to make the human body diarrhea, diarrhea not only can empty the gastrointestinal contents will also make the body to lose a lot of water, which causes weight loss.
2. Gastrointestinal dysfunction: some special patients need to take laxatives for diarrhea before colonoscopy to empty gastrointestinal contents, which may cause transient gastrointestinal dysfunction, affecting the absorption function of the gastrointestinal tract, resulting in thinning symptoms after colonoscopy.
3. Their own psychological factors: some patients before and after colonoscopy will appear too worried about their own malignant diseases, resulting in their own pressure is too great, thus causing after colonoscopy appetite loss, anorexia and other adverse reactions, the human body intake of nutrients to reduce the body weight may also be reduced.
After the colonoscopy patients become thin and accompanied by diarrhea, increased stool frequency, reduced diet, anorexia and other symptoms, you need to go to the hospital in a timely manner for examination, to clarify the cause of the disease for symptomatic treatment.