Definition & Symptoms

Gastritis is inflammation or irritation of the stomach lining. This can happen suddenly (acute) or over a longer period of time (chronic). Some people may experience nausea, vomiting, or stomach pain.

Risk factors

Risk factors for gastritis include use of certain medications, alcohol use, stress, excessive vomiting, and certain bacteria.


The best way to diagnose gastritis is with an Esophagogastroduodenoscopy (EGD), which is a procedure in which a small camera is inserted in the nose or mouth while the patient is asleep to examine and biopsy the stomach if needed. Other exams include X-ray study, blood or specific bacteria in the stool, and breath tests.


Treatments for gastritis range from medication to control or neutralize the acid in the stomach or treating bacterial infections, reducing

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