A fairly common chronic inflammatory disease of the alimentary canal involving all layers of the bowel, which causes chronic diarrhea, is acute gastritis.
Acute gastritis is a sudden inflammation or swelling in the lining of the stomach. Gastritis only directly affects the stomach, while gastroenteritis affects both the stomach and the intestines.
The most common causes of acute gastritis are nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids, also caused by injury, bacteria, viruses, stress, or ingesting irritants such as alcohol, NSAIDs, steroids, or spicy food.
Acute gastritis usually lasts for a short period of time. In most cases, it resolves spontaneously within a few days or weeks once the inflammation has settled.
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