The clinical effect of cefsulodin (CFS) on Pseudomonas species infections in otorhinolaryngologic field was studied in 10 patients. The overall clinical effectiveness was 80% (excellent 4, good 4, poor 2). The bacteriological response of CFS against Pseudomonas species was evaluated from 11 strains. Eradication rate of Pseudomonas species was 82%. In 1 case, body temperature was rised after injection. No abnormal laboratory findings, relating to the drug, were observed after treatment.
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