A penicillin-resistant Streptococcus pneumoniae; case report

Tropical and Geographical Medicine
|September 1, 1983
PubMed

Insights

A penicillin-resistant Streptococcus pneumoniae strain was found in an infant with persistent otitis media. Inadequate penicillin V therapy may have led to this resistant bacterial strain.

Area of Science:

  • Microbiology
  • Pediatrics
  • Infectious Diseases

Background:

  • Otitis media is a common childhood infection.
  • Streptococcus pneumoniae is a frequent causative agent of otitis media.
  • Antibiotic resistance is a growing concern in treating bacterial infections.

Observation:

  • A five-month-old infant presented with persistent otitis media.
  • A specific strain of Streptococcus pneumoniae was isolated from the infant.
  • The isolated strain exhibited a minimum inhibitory concentration (MIC) of 4 µg/ml for penicillin.

Findings:

  • The Streptococcus pneumoniae strain demonstrated resistance to penicillin.
  • The penicillin MIC suggests that standard penicillin V therapy may be insufficient.
  • The resistance may have been selected by prior inadequate penicillin V treatment.

Implications:

  • This case highlights the emergence of penicillin resistance in Streptococcus pneumoniae.
  • Inadequate antibiotic therapy can contribute to the selection of resistant strains.
  • Further research is needed to understand and manage antibiotic resistance in pediatric infections.

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