Immune complex haemolytic anaemia associated with sulfasalazine

A 79 year old woman was admitted because of a positive Coombs's test result for haemolytic anaemia (haemoglobin concentration 8.2 g/dl). She had been taking sulfasalazine for ulcerative colitis for five years. The patient's medical history included a cerebrovascular accident and atrial fibrillation, which were treated with digoxin, verapamil, aspirin, and oxazepam. On admission, aspirin, sulfasalazine, and oxazepam were …