What two foods together can cause vomiting and diarrhea

Vomiting and diarrhea caused by eating two kinds of foods at the same time may be eating pork and bean products, leek and ice water, mutton and ice water, milk and chocolate, persimmon and crab, banana and taro, duck meat and turtle meat, seafood and pomegranate, etc., which will cause irritation to gastrointestinal tract and induce discomfort symptoms.