Site Map

Gastritis

Gastritis occurs when the lining of the stomach becomes inflamed or swollen.

Gastritis can last for only a short time (acute gastritis). It may also linger for months to years (chronic gastritis).

Images

Digestive system
Stomach and stomach lining

I Would Like to Learn About:

Causes

The most common causes of gastritis are:

Less common causes are:

Trauma or a severe, sudden illness such as major surgery, kidney failure, or being placed on a breathing machine may cause gastritis.

Symptoms

Many people with gastritis do not have any symptoms.

Symptoms you may notice are:

If gastritis is causing bleeding from the lining of the stomach, symptoms may include:

Exams and Tests

Tests that may be needed are:

Treatment

Treatment depends on what is causing the problem. Some of the causes will go away over time.

You may need to stop taking aspirin, ibuprofen, naproxen, or other medicines that may be causing gastritis. Always talk to your health care provider before stopping any medicine.

You may use other over-the-counter and prescription drugs that decrease the amount of acid in the stomach, such as:

Antibiotics may be used to treat chronic gastritis caused by infection with Helicobacter pylori bacteria.

Outlook (Prognosis)

The outlook depends on the cause, but is often very good.

Possible Complications

Blood loss and increased risk for gastric cancer can occur.

When to Contact a Medical Professional

Call your provider if you develop:

Prevention

Avoid long-term use of substances that can irritate your stomach such as aspirin, anti-inflammatory drugs, or alcohol.

Related Information

Bile
Autoimmune disorders
Stomach acid test
Taking antacids

References

Feldman M, Lee EL. Gastritis. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology/Diagnosis/Management. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 52.

Kuipers EJ, Blaser MJ. Acid peptic disease. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 139.

Vincent K. Gastritis and peptic ulcer disease. In: Kellerman RD, Rakel DP, eds. Conn's Current Therapy 2019. Philadelphia, PA: Elsevier; 2019:204-208.

BACK TO TOP

Review Date: 12/27/2018  

Reviewed By: Michael M. Phillips, MD, Clinical Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

ADAM Quality Logo

A.D.A.M., Inc. is accredited by URAC, for Health Content Provider (www.urac.org). URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability. A.D.A.M. is among the first to achieve this important distinction for online health information and services. Learn more about A.D.A.M.'s editorial policy, editorial process and privacy policy. A.D.A.M. is also a founding member of Hi-Ethics. This site complies with the HONcode standard for trustworthy health information: verify here.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2019 A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.

A.D.A.M. content is best viewed in IE9 or above, Firefox and Google Chrome browser.