Inflammation of the stomach lining
May occur acutely or chronically
May lead to peptic ulcer disease
Causes
H. pylori
NSAIDs
ETOH
Critical Illness (Cushing ulcer)
Increased ICP, stimulation of vagal nuclei, increased secretion of gastric acid
H. pylori
NSAIDs
ETOH
Critical Illness (Cushing ulcer)
Increased ICP, stimulation of vagal nuclei, increased secretion of gastric acid
Increased ICP, stimulation of vagal nuclei, increased secretion of gastric acid
Gastritis
Gastroesophageal reflux disease 
Colitis
Peptic ulcer disease with or without perforation
Pharyngitis
Laryngitis
Pancreatitis
Conjunctivitis