1. Cold food: such as mung bean, kelp, banana, bitter gourd, wax gourd, watermelon, etc. Pitaya is cold. For those with spleen and stomach deficiency and cold, eating too much cold food may stimulate the gastrointestinal tract of the body, thus inducing or aggravating gastrointestinal reactions such as abdominal distension, abdominal pain and diarrhea;

2. High-cellulose foods: such as apples, pears, papaya, hawthorn, celery, pumpkins, etc. Because pitaya is rich in cellulose, proper supplementation is helpful to relieve constipation, but excessive intake of cellulose may aggravate constipation of people with gastrointestinal dysfunction;

3. Seafood: A small amount of the same food will not cause discomfort, but seafood is cold and contains a lot of high-quality protein, which may contain trace elements such as arsenic, while pitaya contains more vitamin C. A large amount of the same food vitamin C may react with protein and trace elements, resulting in gastrointestinal discomfort.

Eating pitaya is not taboo, especially for healthy people. Can be used with most foods, but it is not recommended to eat too much, no more than 400 grams per day. In addition, it is normal that urine may turn red after eating red pitaya. You can recover on your own, don't worry too much.