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[Therapeutic efficacies of suppository of ceftizoxime against experimental infections in mice].

In experimental infections in mice, the therapeutic efficacies of rectal administration of ceftizoxime (CZX) were compared with those of subcutaneous administration. The efficacies of rectal administration were equivalent to those of subcutaneous administration against intraperitoneal infections due to Streptococcus pneumoniae and Escherichia coli. Against Staphylococcus aureus, Streptococcus pyogenes, Klebsiella pneumoniae, Enterobacter cloacae, Proteus mirabilis, Morganella morganii and Serratia marcescens, the efficacies of rectal administration were inferior to those of subcutaneous administration. Against urinary tract and respiratory tract infections, the efficacies of rectal administration were slightly inferior to those of subcutaneous administration. Serum concentrations of CZX for rectal administration were less than those of subcutaneous administration.