Watermelon is not recommended for diarrhea. Diarrhea is defined as a significant increase in the number of bowel movements, thin feces, increased water, accompanied by a sense of urgency to defecate, anal discomfort, etc., generally common in irritable bowel syndrome and other functional bowel diseases, but also can be seen in the infection caused by acute gastroenteritis. Watermelon belongs to the cold food, itself after eating too much may cause abdominal discomfort, for patients with diarrhea, eating watermelon will cause adverse stimulation of the intestinal tract, may lead to diarrhea symptoms worsen. Patients with diarrhea can eat some warm food to relieve the symptoms. If the diarrhea is serious, you can consult a doctor in time, under the guidance of the doctor to treat the symptoms. If you want to eat watermelon, you can wait until your condition recovers.