Simple etiology of acute gastritis diversify its mainly by the chemical, physical contact or stimulation caused bacteria and their toxins: (1) chemical irritation: oral administration of certain drugs (such as salicylic acid salts, indomethacin, ibuprofen, Bao Taisong, iodine preparations, reserpine and adrenocorticotropic hormone), a large number of potent drink wine, tea, coffee, and so on, can stimulate gastric mucosal damage caused gastric hyperemia and edema, or hemorrhage, erosion, a result of the occurrence of acute gastritis simple. (2) Physical factors: eating too cold or too rough with the overheating of food, foreign bodies and persimmon-stimulating, stomach and gastric freezing radiation therapy may cause gastric mucosal injury caused inflammatory changes. (3) consuming bacteria or their toxins contaminated food: consuming bacteria or their toxins contaminated food can cause acute gastroenteritis, also known as food poisoning. Disease-causing bacteria in the genus Salmonella is a common genus and halophilic, Staphylococcus aureus toxin to more toxins. In addition, the intestinal infection can lead to acute gastritis simple. In addition, the spirit of nerve dysfunction, stress, the body caused by various factors and certain systemic allergic diseases such as diffuse liver disease, portal hypertension, uremia. Chronic pulmonary heart disease, respiratory failure, a lack of vitamin disease, and intestinal malabsorption, such as advanced cancer can be as endogenous stimulating factor, caused acute gastric mucosal inflammation.
