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Definition Return to top
Gastritis is an inflammation (irritation and swelling) of the lining of the stomach.
Causes Return to top
There are many causes of gastritis.
The most common are:
Less common causes are:
Gastritis can last a short time (acute gastritis) or for months to years (chronic gastritis).
Symptoms Return to top
Exams and Tests Return to top
Tests vary depending on the specific cause. An X-ray of the upper digestive tract, EGD, or other tests may be advised.
Treatment Return to top
Treatment depends on the specific cause. Some of the causes will disappear over time. Medications to neutralize stomach acid or decrease its production may be recommended.
Outlook (Prognosis) Return to top
The outlook depends on the cause, but is usually good.
Possible Complications Return to top
See the specific types of gastritis.
When to Contact a Medical Professional Return to top
Call for an appointment with your health care provider if you develop gastritis symptoms.
Prevention Return to top
Avoid long-term use of irritants (such as aspirin, anti-inflammatory drugs, or alcohol).
References Return to top
Kuipers, E. Acid peptic disease. In: Goldman L, Ausiello D. Cecil Textbook of Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 141.Update Date: 1/28/2009 Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; George F Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.