Emergence of resistant Streptococcus pneumoniae: a problem in pediatrics
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Updated: Oct 13, 2026

Subcutaneous Infection of Methicillin Resistant Staphylococcus Aureus (MRSA)
Published on: February 9, 2011
1Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas 75235, USA.
Insights
Penicillin resistance in Streptococcus pneumoniae is a growing global issue, particularly affecting acute otitis media and meningitis. New treatments and vaccines are crucial to combat resistant pneumococcal strains.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Background:
- Penicillin resistance in Streptococcus pneumoniae is a significant worldwide health concern.
- Resistant strains exhibit cross-resistance to multiple antibiotics, complicating treatment options.
- Crowded environments and previous antibiotic use are key factors in the spread of resistant pneumococci.
Purpose of the Study:
- To highlight the challenges posed by penicillin- and cephalosporin-resistant Streptococcus pneumoniae.
- To discuss treatment difficulties for conditions like acute otitis media and meningitis caused by these resistant strains.
- To emphasize the need for novel strategies to control antibiotic resistance.
Main Methods:
- Review of existing literature on Streptococcus pneumoniae resistance patterns.
- Analysis of predisposing factors for colonization and disease.
- Evaluation of therapeutic challenges and potential treatment agents.
Main Results:
- Beta-lactam-resistant pneumococci often show resistance to other common antibiotics but remain susceptible to vancomycin and imipenem.
- Inadequate beta-lactam concentrations in cerebrospinal and middle ear fluid hinder eradication of resistant strains.
- Acute otitis media and meningitis are particularly difficult to treat with current standard therapies.
Conclusions:
- Effective treatment of infections caused by resistant pneumococci may require unconventional agents like ceftriaxone, clindamycin, vancomycin, or rifampin.
- Reducing antibiotic selective pressure and developing effective pneumococcal vaccines are essential for global control.
- Innovative approaches are needed to address the increasing threat of antibiotic resistance in Streptococcus pneumoniae.
Abstract:
Penicillin resistance among strains of Streptococcus pneumoniae has emerged as an important worldwide problem. Beta-lactam-resistant pneumococci also can be resistant to erythromycin, trimethoprim/sulfamethoxazole and tetracycline and are uniformly susceptible to vancomycin and imipenem. Crowded conditions (e.g. daycare centers, hospitals, military barracks and prisons) and prior beta-lactam antibiotic therapy are the principal predisposing factors to colonization and disease. To date the two conditions caused by penicillin- and cephalosporin-resistant pneumococci that have been especially difficult to treat are acute otitis media and meningitis. Concentrations of beta-lactams in cerebrospinal fluid and middle ear fluid are usually inadequate to achieve prompt eradication of some intermediately resistant and most highly resistant pneumococcal strains. Use of unconventional therapeutic agents such as ceftriaxone or clindamycin for acute otitis media and vancomycin or rifampin for meningitis may be necessary. Control of this global problem will require innovative methods to reduce the selective pressure that results from widespread antibiotic use and to develop effective pneumococcal vaccines that are immunogenic in young infants.
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