Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Parainfluenza
Medically reviewed by Min Clinic Staff | Updated: January 2026
Parainfluenza: A disease due to an acute respiratory infection caused by a parainfluenza virus. Parainfluenza usually occurs in children. The clinical picture can range from a relatively mild influenza-like illness to bronchitis, croup, and pneumonia.