What causes stomach pain, nausea, vomiting, diarrhea?

Stomach pain, nausea, vomiting, diarrhea may be gastroenteritis, gastric ulcer, food poisoning and other diseases caused by.

1, gastroenteritis

patients gastrointestinal tract inflammation leading to local mucosal tissue congestion, edema, and gastrointestinal spasm, will appear stomach pain, nausea, vomiting, diarrhea symptoms.

2, gastric ulcer

patients gastric mucosa ulcer lesions caused by direct gastric acid stimulation, will make gastric motility rhythm changes, and local sensory nerve fiber sensitivity increased, so there will be stomach pain, nausea, vomiting, diarrhea symptoms.

3, food poisoning

patients lead to harmful substances stimulate local mucosa, and cause digestive disorders, will also appear stomach pain, nausea, vomiting, diarrhea symptoms.