Determinants of Antibiotic Use and Bacterial Coinfection in Adults Diagnosed with Influenza - Report - MDSpire

Determinants of Antibiotic Use and Bacterial Coinfection in Adults Diagnosed with Influenza

  • By

  • Niklas Steger

  • Erik Isaksson

  • Anna M. Nordenskjöld

  • Simon Athlin

  • March 25, 2026

  • 0 min

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Determinants of Antibiotic Use and Bacterial Coinfection in Adults Diagnosed with Influenza

Overview

This study investigates the clinical and biochemical factors associated with antibiotic use and bacterial coinfection in adults with confirmed influenza in emergency departments, including the role of RT-PCR testing and clinical signs.

Background

Influenza is a leading cause of respiratory illness, contributing to millions of hospitalizations and deaths annually. Bacterial coinfection complicates influenza cases, potentially worsening outcomes and increasing mortality rates. Understanding the determinants of antibiotic use in this context is crucial for improving patient management and combating antimicrobial resistance.

Data Highlights

No numerical data available in the source material.

Key Findings

Revise to ensure each finding is clearly supported by the source material and presented in a concise manner.

Clinical Implications

Healthcare providers should be cautious in prescribing antibiotics for patients with confirmed influenza, reserving them for cases where bacterial coinfection is clinically indicated. Enhanced diagnostic capabilities and adherence to antibiotic stewardship principles are vital to improve patient outcomes and reduce resistance.

Conclusion

Reinforce the need for addressing diagnostic uncertainty and improving specific diagnostic methods.

References

  1. Open Forum Infectious Diseases, 2021 -- Outcomes Related to Bacterial Co-Infection and Antibiotic Use in Adults Hospitalized With Respiratory Syncytial Virus Compared with Influenza
  2. Infection, 2023 -- Bacterial Co-infections from Community and Hospital Sources in Patients Admitted with Covid-19 or Influenza: A Retrospective Cohort Analysis
  3. The Journal of Infectious Diseases, 2021 -- Association of Pediatric Antibiotic Prescriptions with Respiratory Syncytial Virus and Influenza in the United States from 2008 to 2018
  4. Infection, 2022 -- Development of a Predictive Model for Bacterial Co-Infections in COVID-19 Hospitalized Patients: Findings from a Multicenter Observational Study
  5. Influenza Antiviral Medications: Summary for Clinicians | Influenza (Flu) | CDC, 2025
  6. Bacterial coinfection in influenza pneumonia: Rates, pathogens, and outcomes - PubMed, 2021
  7. Factors associated with antibiotic initiation and bacterial coinfection in adults with confirmed influenza - PMC, 2021
  8. Influenza Antiviral Medications: Summary for Clinicians | Influenza (Flu) | CDC
  9. Bacterial coinfection in influenza pneumonia: Rates, pathogens, and outcomes - PubMed
  10. Factors associated with antibiotic initiation and bacterial coinfection in adults with confirmed influenza - PMC

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