What causes diarrhea and stomach pain?

Diarrhea generally refers to diarrhea, diarrhea, stomachache is considered to be physical and chemical stimulation, acute gastroenteritis, lactose intolerance and other reasons, as follows:

1. Physical and chemical stimulation

If the patient eats too much cold or spicy food such as chili, sashimi, onion, etc., it may stimulate the gastrointestinal mucosa, causing diarrhea and stomachache.

2. Acute gastroenteritis

When acute gastroenteritis occurs, inflammatory factors, pathogenic bacteria and other substances can damage and stimulate the gastrointestinal mucosa in the body, causing increased secretion, causing diarrhea and stomachache.

3. Lactose intolerance

If diarrhea and abdominal pain occur after drinking milk or eating dairy products, it can be considered to be caused by lactose intolerance caused by lack of digestive lactase in the digestive tract.