Also known as: GAST-
GAST has various meanings in the Medical category. Discover the full forms, definitions, and usage contexts of GAST in Medical.
Gastritis is inflammation of the lining of the stomach. It may occur as a short episode or may be of a long duration. There may be no symptoms but, when symptoms are present, the most common is upper abdominal pain. Other possible symptoms include nausea and vomiting, bloating, loss of appetite and heartburn. Complications may include bleeding, stomach ulcers, and stomach tumors.
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