Collagenous gastritis, a rare cause of dyspepsia resistant to treatment

Collagenous gastritis is hardly ever found in children and adults. Based on the extent of collagenous changes in the bowel, various symptoms may develop including iron deficiency, anemia, and abdominal pain in most of the patients.

We present a 30-year-old man with persistent abdominal pain and anemia due to collagenous gastritis