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Home > Patient & Family Resources > Health Library > Gastritis
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Gastritis is an upset stomach. It happens when something irritates the stomach lining.
Normally, a layer of mucus protects the stomach lining. If gastritis occurs for a long time, part of this lining may wear away, causing sores called ulcers.
Gastritis may come on suddenly and last for a short time (acute). For some people, it may be a long-term (chronic) problem.
Many things can cause gastritis, such as:
Gastritis can make you feel sick to your stomach. Symptoms may include:
In some people, gastritis causes only mild symptoms that may come and go.
Severe gastritis can cause serious bleeding from the digestive tract. Call 911 anytime you think you may need emergency care. For example, call if:
Call your doctor right away if you have signs of bleeding or other problems. For example, you may:
If gastritis happens only now and then, you can probably use just home treatment. This may include changes to your diet, such as limiting how much alcohol you drink. Or you may need to avoid foods and drinks that have caffeine. They increase stomach acid.
If gastritis doesn't get better or it keeps coming back, see your doctor. He or she may recommend treatment such as:
Current as of:
August 12, 2019
Author: Healthwise StaffMedical Review: E. Gregory Thompson MD - Internal MedicineAdam Husney MD - Family Medicine
Current as of: August 12, 2019
Author: Healthwise Staff
Medical Review:E. Gregory Thompson MD - Internal Medicine & Adam Husney MD - Family Medicine
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