Sir, Recently, positive effects of high-dose intravenous immunoglobulin (IVIG) (2 g/kg body weight) have been observed in immune thrombocytopenic purpura (ITP) (1, 2) as well as in autoimmune blistering diseases (3). Furthermore, successful treatments of autoimmune chronic urticaria with high-dose IVIG was reported (4). Herein, we describe a very bene®cial effect in a patient with a long-standi...