A Case of Drug‐Induced Hypersensitivity Syndrome With Multiple Organ Involvement Treated With Plasma Exchange

Abstract

A 53-year-old male patient began treatment for systemic exanthema with diaphenylsulfone (DHS) on 21 November 2002. On 18 December 2002, the patient developed a fever and additional systemic erythematous exanthema. Systemic lymphadenopathy, hepatosplenomegaly, leukocytosis (in particular, an increase in the number of atypical lymphocytes) and liver dysfunction followed. After cessation of the DHS treatment on 25 December 2002, acute renal failure occurred and the patient was transferred to Shinshu University Hospital on 4 January 2003. The patient was diagnosed with drug-induced hypersensitivity syndrome (DIHS). Steroid pulse therapy (methylprednisolone 1000 mg/day for 3 days) was given, followed by 60 mg/day of prednisolone. The patient's renal functions recovered and he was taken off hemodialysis therapy. However, the patient relapsed twice despite two sessions of steroid pulse therapy and an increase in the dose of prednisolone to 100 mg/day. Plasma exchange (PE) was carried out to reduce the activity of the disease. With a total of four plasma exchanges, we were able to reduce the dose of prednisolone from 100 mg/day to 60 mg/day without relapse. There were no adverse effects from the plasma exchanges. Plasma exchange should be considered in the treatment with corticosteroid-resistant DIHS with multiple organ lesions.

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