Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 8/30/2025

Management of Viral Upper Respiratory Tract Infections (URTIs)

Diagnosis and Etiology

  • Viral etiology should be suspected when symptoms include rhinorrhea, nasal congestion, cough, sore throat, and mild fever without focal chest signs 2
  • For bothersome dry cough, dextromethorphan or codeine may be prescribed 2
  • Expectorants, mucolytics, antihistamines, and bronchodilators should NOT be prescribed for acute URTIs in primary care (strong recommendation) 2
  • Treatment of URTIs with antibiotics will NOT prevent progression to lower respiratory tract infections 3
  • Antibiotic treatment should be withheld unless there are specific indications of bacterial infection 2

When to Suspect Bacterial Infection

  • Presence of focal chest signs suggesting pneumonia 2, 4

Special Considerations

  • In hematopoietic stem cell transplant patients with respiratory syncytial virus (RSV) infection, treatment with ribavirin (aerosolized or systemic) may be considered 5
  • Deferral of conditioning therapy should be considered for patients with viral respiratory infections planned for allogeneic hematopoietic stem cell transplantation 5

Infection Control Measures

  • Limit movement of patients with diagnosed or suspected viral respiratory infections to essential purposes only 6, 7
  • Healthcare personnel with acute upper respiratory infections should be restricted from caring for high-risk patients (e.g., immunocompromised patients, premature infants) 6, 7
  • Persons with respiratory infection symptoms should not visit pediatric, immunosuppressed, or cardiac patients 6, 7

Prevention Strategies

  • Annual influenza vaccination is recommended for persons at increased risk of complications due to influenza (age ≥65 years, institutionalization, chronic cardiac or pulmonary diseases, diabetes mellitus, chronic renal diseases) 8, 3
  • Intensified oral care in nursing home residents should be considered as a preventive measure to reduce pneumonia incidence 8
  • The use of anti-viral medications for influenza prevention is only recommended in unusual situations (e.g., outbreaks in closed communities) 3

Common Pitfalls to Avoid

  • Using mucolytics, expectorants, or bronchodilators which have not shown benefit in viral URTIs 2
  • Neglecting infection control measures that can prevent transmission, especially to high-risk individuals 6, 7