What causes an upset stomach and watery diarrhea

Stomach upset and watery diarrhea may be related to food poisoning, acute gastroenteritis, gastritis and other factors.
1. Food poisoning: due to eating food containing bacteria or bacterial toxins, can cause acute toxic disease, usually manifested as diarrhea, stomach upset, abdominal pain, nausea, vomiting and other symptoms.
2. Acute gastroenteritis: acute inflammation of the gastrointestinal mucosa due to improper diet, overeating, etc. can cause symptoms such as gastric discomfort, and may also lead to faster intestinal peristalsis, which prevents the ingested food from being digested and absorbed, thus leading to diarrhea.
3. Gastritis: long-term use of non-steroidal drugs, Helicobacter pylori infection can lead to gastritis, due to the congestion and edema of the gastric mucosa, which can induce symptoms such as stomach discomfort and diarrhea.
There are many other causes of gastric discomfort and diluted water, it is recommended to go to the regular hospital in a timely manner, to clarify the cause of the disease, under the guidance of the doctor for targeted treatment.