A major cause of acute gastritis
(1) chemical irritants: such as oral administration of certain drugs (such as salicylic acid salts, indomethacin, ibuprofen, phenylbutazone, iodine preparations, reserpine and adrenal cortex hormones, etc.), a large number of drinking hard liquor,
Tea, coffee, etc., can stimulate the injury of gastric mucosa, causing gastric hyperemia, edema, or hemorrhage, erosion, an extent which rendered the occurrence of acute simple gastritis.
(2) physical factors: eating too cold or too hot and rough food, foreign bodies, and persimmon stone to stimulate the stomach and gastric freezing radiation therapy can also be caused by gastric mucosal injury, causing inflammatory changes.
(3) after eating contaminated by bacteria or their toxins in food: The most common is due to unclean food caused by acute gastritis, a common bacterial infection of staphylococcus exotoxin A, botulinum toxin, Salmonella endotoxin and bacillus acidophilus. Helicobacter pylori also appeared in the acute infection phase of acute gastritis, if not eliminate likely to translate into chronic active gastritis. Factors common viral infection with influenza virus, enteroviruses, measles virus, EB virus.
(4) mechanical injury: indwelling stomach tube, stomach foreign body, gastric persimmon stones, hiatal hernia can be mechanical damage gastric mucosa. Another abdominal tumor after radiation therapy can cause acute gastritis.
(5) Other factors: mental nerve dysfunction, stress state, the body caused by a variety of factors and certain systemic allergic diseases, such as diffuse liver disease, portal hypertension, uremia.
Chronic pulmonary heart disease, respiratory failure, vitamin deficiency disease, intestinal malabsorption, and advanced cancer, etc. can be used as endogenous-stimulating factor, causing acute inflammation of gastric mucosa.
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