What causes acute gastritis?

Updated: Jul 12, 2020
  • Author: Sarah El-Nakeep, MD; Chief Editor: BS Anand, MD  more...
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Answer

Acute gastritis has a number of causes, including certain drugs; alcohol; bile; ischemia; bacterial, viral, and fungal infections; acute stress (shock); radiation; allergy and food poisoning; and direct trauma. The common mechanism of injury is an imbalance between the aggressive and the defensive factors that maintain the integrity of the gastric lining (mucosa).


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