Symptoms of gastritis in the elderly include abdominal distension, pain in the upper and middle abdomen, nausea, vomiting, loss of appetite, etc. Clinical symptoms vary with different types of gastritis. 1. Acute gastritis: Acute gastritis has an acute onset, and the symptoms may be mild or severe depending on the severity of the disease. The main clinical symptoms include epigastric pain, nausea, vomiting, loss of appetite, abdominal distension, and so on, which may lead to vomiting of blood, dehydration, shock, and acidosis in severe cases. 2. Chronic gastritis: chronic gastritis symptoms lack of specificity, patients may not have obvious clinical symptoms, may also appear indigestion symptoms, such as epigastric discomfort, burning sensation in the stomach, belching, acid reflux, nausea, vomiting, etc., but also may be accompanied by anemia, diarrhea, emaciation performance. 3. Special types of gastritis: infectious purulent gastritis can appear epigastric pain, high fever, chills and other symptoms; chronic hypertrophic gastritis can appear epigastric pain, edema, diarrhea, weight loss and other symptoms; corrosive gastritis can appear in the middle and upper abdominal pain, nausea, vomiting, and other symptoms, in severe cases, can be the esophagus or gastric perforation symptoms. Elderly people with symptoms of gastritis should seek medical treatment in a timely manner, under the guidance of the doctor to use medication, to avoid private abuse of drugs, so as not to delay the condition.