Helicobacter pylori (H. pylori) infection is a common cause of gastritis and peptic ulcers in children. H. pylori infection usually causes chronic inflammation of the stomach but most children have no symptoms. Left untreated, H. pylori infection increases the risk of peptic ulcers and gastric cancer. Diagnosis requires endoscopy with biopsy to detect H. pylori on histology. Treatment aims to eradicate H. pylori and involves combination antibiotic therapy. Non-H. pylori causes of gastric ulcers include drugs, stress, vascular insufficiency, and infections. Evaluation of dyspepsia in children considers major criteria like abdominal pain as