Eating dragon fruit will have diarrhea, the main consideration is related to improper diet, allergies and digestive diseases. 1. Improper diet: such as eating spoiled dragon fruit, or directly from the refrigerator, can stimulate the gastrointestinal mucosa, leading to abnormal gastrointestinal peristalsis, and then diarrhea symptoms. 2. Allergy: some patients may have an allergic reaction after consuming dragon fruit, resulting in abdominal pain, diarrhea and other symptoms. 3. Digestive tract diseases: patients with gastroenteritis and other diseases, after consuming dragon fruit, can stimulate the stomach and intestines, causing acute attacks, and then diarrhea, abdominal pain, nausea and other symptoms. This symptom, you should seek medical examination as soon as possible, after diagnosing the cause of the disease, under the guidance of the doctor for treatment.