What causes sudden nausea and vomiting?

Sudden nausea and vomiting may be related to gastric ulcer, enteritis, food poisoning and other diseases.

1, gastric ulcer: gastric ulcer patients due to gastric mucosal damage, gastric wall in the stimulation of gastric acid and inflammation may lead to nausea, vomiting, abdominal pain and other symptoms.

2, enteritis: enteritis patients intestinal tract infected by pathogenic microorganisms can cause intestinal dysfunction, may appear nausea, vomiting and other gastrointestinal symptoms.

3, food poisoning: contaminated food into the gastrointestinal tract, which pathogens will proliferate and spread, patients can accumulate a large number of toxic substances in the intestinal tract and cause food poisoning, nausea, vomiting symptoms.