To change the nature of the pain.

1. To change the nature of the pain. Ulcer disease is characterized by pain in the law. Meal for gastric ulcer pain, pain after a meal in half an hour to 2 hours, until the next meal before the pain has disappeared. Duodenal ulcer is also known as air hunger, pain, including abdominal pain, pain in more than 3 to 4 hours after a meal, till the next meal, eat or relieve the pain completely disappeared, and some patients may present pain at night. If the ulcers occurred in the duodenum from the stomach similar to the Department of Helicobacter pylori, the ulcer pain and the same rhythm. Once the nature of the ulcer pain into persistent pain or be reduced at this time should be vigilant against the possibility of cancer, screening should go to the hospital as soon as possible. 2. Obviously thin. Where the age of 40 or more ulcer patients over a short period of loss of appetite, tired of meat, nausea, vomiting, spit out the food Gesu or dark red food, poor nutrition, obviously suffering from weight loss, inability to symptoms such as fatigue, and drug treatment Effect of variation, which may be malignant transformation of the signal.