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What causes gastritis?

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Quick Answer

Gastritis is a common gastrointestinal disorder that can be caused by taking nonsteroidal anti-inflammatory drugs and corticosteroids; bacterial infections, such as Helicobacter pylori; and excessive alcohol consumption, according to Healthline. Although less common, gastritis can also be caused by viral infections, extreme stress, autoimmune disorders, Crohn's disease and related disorders, ingestion of corrosive substances, cocaine use and kidney failure.

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Full Answer

Gastritis is an inflammation, erosion or irritation of the lining of the stomach, according to WebMD. The symptoms of gastritis include nausea or recurring upset stomach, bloating, pain in the abdominal area, indigestion, vomiting and loss of appetite. A gnawing or burning feeling in the stomach at night or between meals is also a common symptom as are hiccups, vomiting blood and the presence of black, tarry stool.

Gastritis is generally diagnosed after a careful review of the sufferer's personal medical history and a physical exam. One of the most popular tests that can be useful in making a definitive diagnosis includes an upper endoscopy that looks at the lining of the stomach via a camera that is inserted via the mouth. A blood test to screen for H. pylori infection or pernicious anemia may also be undertaken. A fecal occult blood test to check the stool for blood is common in diagnosing the condition, according to WebMD.

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