Bronchiolitis Differential Diagnosis

Last updated: 05 May 2025

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Differential Diagnosis

Alternative diagnoses of bronchiolitis include:

  • Viral infections
  • Asthma
  • Foreign body aspiration
  • Anatomic abnormalities (ie tracheoesophageal fistula, laryngeal cleft, airway hemangioma, mediastinal tumor, bronchial cyst, vascular ring)
  • Congenital heart disease
  • Immunodeficiency states (ie IgA deficiency, AIDS, bronchiectasis)
  • Mucociliary clearance disorders (ie cystic fibrosis, primary ciliary dyskinesia)
  • Aspiration syndrome (ie gastroesophageal reflux disease, pharyngeal dysfunction)
  • Anaphylaxis