Differential Diagnosis

A. Upper Respiratory Infection. May cause significant upper airway congestion and cough. Etiology is usually viral, and chest exam, normal.

Esophageal Foreign Body Ingestion. May be associated with hoarseness or dysphagia, or both, as well as drooling. Lung exam is normal.

Retropharyngeal Cellulitis or Abscess. May present with fever, cough, and drooling. Lung exam is normal, but there may be stri-dor.

Croup. Presents with a barking cough and stridor. Lung fields are clear.

Reactive Airway Disease. May present with diffuse or focal wheezing.

Bronchiolitis. Presents with diffuse or unilateral wheezing in association with preceding symptoms of an upper respiratory infection.

Pneumonia. Often presents with a persistent cough and fever. Exam may reveal decreased breath sounds or focal rales.

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