<![CDATA[Warm autoimmune hemolytic anemia (wAIHA) is caused by erithrocytes destruction by IgG or IgG plus C3d-mediated autoantibody. Long use steroids are first line therapy of wAIHA. It has risk infection reactivation, like chronic hepatitis B. Man, 64 y.o, hospitalized with diagnosis wAIHA and chronic hepatitis B. Diagnosis of wAIHA is built by: severe normocytic normochromic anemia, reticulocytosis 42.29%, increasing lactate dehydrogenase 397 U/L, direct Coombs test (+4), antibody screening IgG (+4). Anothers laboratorium findings: HbsAg (+), albumin 3.5 g/dL, ALT U/L, rapid HIV (-), anti HCV (-). There is no blast found in peripheral blood and bone marrow smear. Patient also diagnosed chronic hepatitis B inactive phase with negative HbeAg, HBV DNA 547 IU/L, normal liver finding in abdominal USG and moderate fibrosis from fibroscan. Washed red cell transfussion was administered, 2 x 125 mg methilprednisolone iv (3 days) tapering off until to 40 mg/day doses. He did not get antiviral prophylaxis and be planned to reevaluate in next 6 months. Steroid is first line therapy in wAIHA. When wAIHA is diagnosed, determination of chronic hepatitis B status should confirmed. There is a risk of reactivation of chronic hepatitis B infection so monitoring is needed.]]>
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