Acute gastritis is a sudden inflammation of the gastric mucosa, most often triggered by medications, alcohol, bile reflux, viral or bacterial toxins, and physical stress. The condition may range from mild erythema to erosive bleeding, with symptoms developing rapidly and usually resolving within days. Rapid recognition supports removal of the offending factor and prompt symptom relief. Core gastric complaintsEpigastric pain: burning, gnawing, or dull soreness centered between the costal margins, often worsened by an empty stomach and partially relieved by food or antacids.Nausea: persistent urge to vomit, sometimes accompanied by hypersalivation.Vomiting: initially gastric contents; bile-stained or coffee-ground material appears when... Learn more