Autoimmune hemolytic anemia causes

	Autoimmune hemolytic anemia Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Assosciate Editor(s)-In-Chief: Prashanth Saddala M.B.B.S; Shyam Patel [2]

Overview

Causes

Primary autoimmune hemolytic anemia

Secondary autoimmune hemolytic anemia

Secondary autoimmune hemolytic anemia is due to an underlying condition, such as malignancy. This accounts for 50% of cases of warm autoimmune hemolytic anemia. A variety of malignancies can cause secondary autoimmune hemolytic anemia including chronic lymphocytic leukemia (CLL) and non-Hodgkin's lymphoma. Systemic autoimmune conditions can also cause secondary autoimmune hemolytic anemia. These conditions include systemic lupus erythematosus, hypothyroidism, Sjogren's syndrome, and inflammatory bowel disease.^[1]