in most cases

In most cases of chronic urticaria, an underlying trigger is not found. Hodgkin's disease may be accompanied by urticaria. Cold urticaria with cryoglobulinemia is seen in multiple myeloma.

在大多数慢性患者，找不到触发原因。霍杰金氏病可伴有；球蛋白症引起见于多发性骨髓瘤。