A penicillin-resistant Streptococcus pneumoniae; case report.
A strain of Streptococcus pneumoniae has been isolated from a five-month-old child with persistent otitis media. The minimum inhibitory concentration (MIC) detected was 4 micrograms/ml penicillin. This strain was possibly selected out by inadequate penicillin V therapy.
D002675:Child, Preschool; D006801:Humans; D008297:Male; D008826:Microbial Sensitivity Tests; D010033:Otitis Media / Q000188:drug therapy; D010403:Penicillin Resistance; D010404:Penicillin V / Q000494:pharmacology / Q000627:therapeutic use; D013296:Streptococcus pneumoniae / Q000187:drug effects / Q000235:genetics*
D010404:Penicillin V