There are several cases of diarrhea as soon as you eat spicy: 1. Some people are very sensitive to chili peppers and have poor adaptability to them. After eating chili pepper stomach will secrete a lot of gastric juice, intestinal peristalsis will become faster, so there will be stomach discomfort, diarrhea. 2, some people suffer from gastroenteritis, gastric ulcer, duodenal ulcer and other diseases, chili pepper will produce very strong stimulation of the stomach and intestines, intestinal peristalsis will speed up a lot, so diarrhea can occur. 3, capsaicin in chili pepper will produce strong stimulation of the gastrointestinal mucosa, will lead to gastrointestinal Congestion, gastrointestinal peristalsis accelerated, so it will lead to diarrhea, and stomach pain, stomach pain and other symptoms, and in the diarrhea when the anus will have a burning sensation. Eat spicy diarrhea can take chewable tablets of magnesium aluminum carbonate, montelukast and other drugs to relieve the symptoms, if the effect is not obvious need to go to the hospital to do gastroscopy to clarify the disease after comprehensive treatment.