Nonsteroidal antiinflammatory drug–induced enteropathy and severe chronic anemia in a patient with rheumatoid arthritis

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This report describes the case of a woman who was admitted to the hospital with severe anemia and refractory rheumatoid arthritis. She had been transfusion dependent for 8 years and was receiving a combination of indomethacin and naproxen. An indium-111 white blood cell scan revealed small bowel inflammation. Salsalate was substituted for her previous nonsteroidal antiinflammatory drugs (NSAIDs), and metronidazole was initiated. This resulted in maintenance of a normal hemoglobin level for at least 1 year after discharge. Small intestine inflammation and bleeding (enteropathy) due to NSAIDs must be considered in the evaluation of anemia in patients with arthritis.