Nocardiosis in a patient with common variable immunodeficiency.

We report a case of nocardiosis in a 42, years male with common variable immunodeficiency syndrome (CVID). He presented with arthritis, subcutaneous abscess and pleural effusion. Diagnosis of CVID was made during this presentation. Serum IgG, IgA and IgM levels were markedly decreased. Nocardia asteroides was cultured from pleural fluid. He was successfully treated with intravenous immunoglobulin and cotrimoxazole.