• Multiple superficial erosions that do not extend beyond the muscularis mucosae and may occasionally cause bleeding
• Subtypes
  • Stress-induced gastritis: acute erosions and/or superficial hemorrhages of the stomach caused by critical conditions (e.g., sepsis, shock)
  • Reactive gastropathy: injury to the gastric mucosa caused by chronic exposure to irritant endogenous (e.g., bile reflux) or exogenous substances (e.g., alcohol, NSAIDs, aspirin)
• May progress to an ulcer