The influence of cefodizime (CDZ) on CD4 and CD8 lymphocytes was investigated in patients with lower respiratory tract infection and underlying respiratory diseases. Ten men and one woman were treated with CDZ 1 g i.m. b.i.d. for ten days. The infecting organisms were Haemophilus influenzae (5), Streptococcus pneumoniae (2) and Escherichia coli (1). No adverse events were reported. Nine patients were clinically cured; two required further antibiotic therapy. Leucocyte counts decreased significantly during treatment. Lymphocyte counts and CD4 cells both increased significantly in absolute and relative numbers, while there was a much smaller increase in CD8 cells. This resulted in a significant increase in the CD4/CD8 ratio. These effects of CDZ might be of benefit for immunocompromised patients with bacterial infections.
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