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Year : 2013  |  Volume : 6  |  Issue : 3  |  Page : 353-354
Autoimmune hemolytic anemia secondary to chicken pox

Department of Medicine, M.O.S.C Medical College and Hospital, Kolenchery, Ernakulam District, Kerala, India

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Date of Web Publication7-Nov-2013


Autoimmune hemolytic anemia (AIHA) is a rare complication of chicken pox. It is described mainly in children. Even in children it is a rare complication and the long-term prognosis remains to be elucidated. Herein we report an adult, a 23-year-old male who developed AIHA secondary to chicken pox.

Keywords: Autoimmune hemolytic anemia, chicken pox, viral infection

How to cite this article:
Ittyachen AM, Jose MB, Abraham V. Autoimmune hemolytic anemia secondary to chicken pox. Ann Trop Med Public Health 2013;6:353-4

How to cite this URL:
Ittyachen AM, Jose MB, Abraham V. Autoimmune hemolytic anemia secondary to chicken pox. Ann Trop Med Public Health [serial online] 2013 [cited 2020 Aug 10];6:353-4. Available from:

   Introduction Top

Autoimmune hemolytic anemia (AIHA) is an immune disorder characterized by the presence of auto antibodies against red blood cells. AIHA is one of the earliest known immune disorders described in the early twentieth century. About half of the patients with AIHA do not have any underlying cause and hence termed primary or idiopathic. Secondary causes of AIHA include lymphoproliferative disorders, collagen-vascular diseases, infections, tumors, inflammatory bowel disease, and drugs. [1]

Chicken pox, a viral infection caused by the varicella-zoster virus is endemic in the population at large. The disease is often self limiting excepting in the new born and immunocompromised. AIHA is a rare complication of chicken pox in children. [2],[3] Here we describe an adult, a 23-year-old male who developed AIHA secondary to chicken pox.

   Case Report Top

A 23-year-old male with chicken pox infection was admitted with complaints of passing 'dark colored' urine. He had a history of prodromal symptoms followed by eruptions, typical of chicken pox. The eruptions were 8 days old at the time of admission and were in various stages of healing. There was a recent history of chicken pox in the family. On examination the patient also had icterus. Rest of clinical examination was unremarkable. The initial investigations were suggestive of indirect hyperbilirubenemia:

Hb: 10.7 g%, TC: 8.4 × 10 9 /L, DC: N66% L28% E1% M4% B1%, Platelets: 115 × 10 9 /L, ESR: 53/1 st hour; Urine microscopy: WBCs 20-25, RBCs nil, Bile salts negative; Liver function tests: Total Bilirubin: 12.6 mg% (N: 0.2 -1.2), Direct Bilirubin: 0.1 mg% (N: 0.2 -0.7), SGPT: 109 IU/L (N: 20 -60), SGOT: 196 IU/L (N: 8 -40), ALP: 59 IU/L (N: 36 -150); Hbs Ag: negative; IgM anti HAV: negative; HCV: negative; HIV: negative.

The next day a drop in the hemoglobin level was noted (8.9 g%). Subsequently he was also evaluated for hemolysis. Peripheral smear was suggestive of hemolytic anemia and lactate dehydrogenase (LDH) was also found to be markedly elevated: 8544 IU/L (N: 313 -618). Direct Coombs test was also found to be positive. A diagnosis of AIHA was made. Patient was started on steroids-prednisolone (1 mg/kg/d); the dose was subsequently tapered. He was also transfused four units of packed red cells. After starting steroids improvement in all the biochemical markers of hemolysis (LDH, indirect bilirubin) was noted. The patient was discharged on the seventh day; steroids were stopped. On review after one week the hemogram was normal and the bilirubin and LDH levels had also normalized. Patient was reassured and sent home. Incidentally tests for other systemic immune disorders were negative.

   Discussion Top

AIHA is a rare complication of chickenpox described in children. It characteristically occurs after the onset of vesicular eruptions. To our knowledge a pure case of AIHA secondary to chickenpox has not been reported in adults. A case of Evan's syndrome (hemolytic anemia with thrombocytopenia) has been described from Japan. [4]

Though there is a risk of flare up of the underlying disease, high dose steroids remains the mainstay of treatment of AIHA. The clinical course remains variable. Some of the cases (not necessarily following chickenpox) may become chronic with exacerbations and remissions in between. Our patient had a good response to steroids. Since even in children this complication is rare, the long-term prognosis of AIHA secondary to chickenpox remains to be elucidated.

   References Top

1.Gehrs BC, Friedberg RC. Autoimmune hemolytic anemia. Am J Hematol 2002;69:258-71.  Back to cited text no. 1
2.Terada K, Tanaka H, Mori R, Kataoka N, Uchikawa M. Hemolytic anemia associated with cold agglutinin during chickenpox and a review of the literature. J Pediatr Hematol Oncol 1998;20:149-51.  Back to cited text no. 2
3.Friedman HD, Dracker RA. Cold agglutinin disease after chicken pox. An uncommon complication of a common disease. Am J ClinPathol 1992;97:92-6.  Back to cited text no. 3
4.Tanaka Y, Masuya M, Katayama N, Miyata E, Sugimoto Y, Shibasaki T, et al. Development of mixed-type autoimmune hemolytic anemia and Evans' syndrome following chicken pox infection in a case of low-titer cold agglutinin disease. Int J Hematol 2006;84:220-3.  Back to cited text no. 4

Correspondence Address:
Abraham M Ittyachen
Department of Medicine, M.O.S.C Medical College and Hospital, Kolenchery, Ernakulam District, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1755-6783.121007

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