What is the reason why eating mushrooms usually leads to diarrhea?

Maybe the food is too spicy or the barbecue seasoning is used too much, which is not suitable for the stomach. Or eating hot barbecue and drinking cold drinks to stimulate the stomach, coupled with unsanitary barbecue and bacteria, may cause diarrhea. Don't eat barbecue or irritating things for a while after diarrhea, and eat more mild and light things.