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Updated: May 24, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases
Published on: March 1, 2024
A challenge to appropriate antibiotic use in children with respiratory infections: a 5-year single-institution
Ayumi Matsumoto1, Koichi Hashimoto, Yukihiko Kawasaki
1Department of Pediatrics, Fukushima Medical University, Fukushima, Japan. b-walk@fmu.ac.jp
Insights
Antibiotic-free treatment for pediatric respiratory infections effectively inhibited the emergence of antibiotic-resistant Streptococcus pneumoniae and Haemophilus influenzae, suggesting a safer approach to common colds.
Area of Science:
- Pediatrics
- Infectious Diseases
- Antimicrobial Resistance
Background:
- Studied antibiotic resistance rates of Streptococcus pneumoniae and Haemophilus influenzae.
- Examined antibiotic use in pediatric respiratory infection patients.
- Investigated risks and benefits of antibiotic-free treatment.
Purpose of the Study:
- Evaluate the necessity of antibiotics for pediatric respiratory syncytial virus (RSV) infections.
- Test if antibiotic-free treatment reduces resistant S. pneumoniae strains.
- Suggest improved treatment options for pediatric respiratory infections.
Main Methods:
- Restricted antibiotic prescriptions for pediatric respiratory infection inpatients.
- Compared rates of resistant S. pneumoniae and H. influenzae before and after intervention.
- Analyzed host patient medication history.
Main Results:
- Most RSV-infected patients recovered without antibiotics.
- Antibiotic-free treatment inhibited the emergence of antibiotic-resistant strains.
- Penicillin-resistant S. pneumoniae rates decreased; ampicillin-resistant H. influenzae rates showed no significant change.
Conclusions:
- Patients with respiratory infections can be treated without antibiotics under careful observation.
- Antibiotic-free strategies help inhibit the spread of resistant bacterial strains.
- Monitoring and recommending antibiotic-free interventions are crucial for public health.
Background:
We have studied the rate of emergence of antibiotic-resistant Streptococcus pneumoniae (S. pneumoniae) and Haemophilus influenzae (H. influenzae) and the subsequent antibiotic use in host patients of those isolates at the Department of Pediatrics, Soma General Hospital, Fukushima. Moreover, we carried out several studies investigating the risks and benefits of antibiotic-free treatment for children with respiratory infections. In this report, we summarize our research and suggest better treatment options for pediatric patients with respiratory infections.
Methods:
We investigated the necessity of antibiotic use in the treatment of pediatric inpatients with respiratory syncytial virus (RSV) infection, and tested our hypothesis that antibiotic-free treatment for common cold will reduce the number of resistant S. pneumoniae strains in the pediatric nasopharynx. Therefore, we restricted prescribing antibiotics for pediatric patients with respiratory infections. The rates of resistant S. pneumoniae and H. influenzae and the medication history of the host patients before and after the intervention were compared.
Results:
We found that most of the RSV-infected patients recovered without antibiotic treatment, and that the antibiotic-free treatment inhibited the emergence of antibiotic-resistant strains. The rate of penicillin-resistant S. pneumoniae decreased but the rate of ampicillin-resistant H. influenzae did not change significantly during the study.
Conclusion:
We concluded that patients with respiratory infections can be treated without antibiotics, under careful examination and observation. Continued monitoring of such new interventions as well as recommending their use to other caregivers and physicians will help inhibit the spread of resistant strains.
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