Diarrhea after eating Chinese medicine may be Chinese medicine contains laxatives, such as rhubarb, etc., but also may be the patient’s allergy to drugs, may also be the patient himself suffering from gastroenteritis as well as other diseases such as irritable bowel syndrome caused. 1. Laxative: If the patient takes Chinese medicine containing laxatives, such as rhubarb, senna, etc., it will stimulate the patient’s gastrointestinal tract, which will lead to the phenomenon of diarrhea after eating Chinese medicine. 2. Drug allergy: If the patient is allergic to certain components of the Chinese medicine taken, the patient will also experience diarrhea after taking the medicine, and may also experience allergic symptoms such as generalized rash and itching, which will also lead to diarrhea after taking the Chinese medicine. 3. Gastroenteritis: Gastroenteritis is mainly caused by bacterial, viral and other pathogenic infections as well as stress, drugs and other factors. The main symptoms of gastroenteritis are diarrhea, smelly farts, belching (hiccups), etc., which can also lead to diarrhea right after taking Chinese medicine. 4. Other: irritable bowel syndrome, gastric ulcer and other diseases can also lead to diarrhea after taking Chinese medicine. Patients who have diarrhea after taking traditional Chinese medicine should consult a doctor in time and follow the doctor’s instructions.