AIDS diarrhea has the following characteristics: First, the number of bowel movements significantly exceeds the usual customary frequency, the fecal matter is thin and watery, the daily volume of bowel movements exceeds 200 grams, or contains undigested food or pus and blood, mucus, diarrhea is often accompanied by a sense of urgency to defecate, anal discomfort, and incontinence. Second, AIDS diarrhea is divided into two categories: acute and chronic. Acute diarrhea has a rapid onset and lasts for 2-3 weeks, while chronic diarrhea is a recurrence of the disease for more than two months or an intermittent period of 2-4 weeks. Third, the effect of medication for diarrhea during the window period of AIDS is not obvious, and usually lasts 1-2 weeks to heal itself. The cause of AIDS should be found and the right medicine should be prescribed, otherwise it will be life-threatening if it is not cured. 4. Diarrhea is often accompanied by lethargy, poor nutrition, fever, nausea, abdominal pain or difficulty in swallowing, etc.