Which conditions should be included in the differential diagnosis based on the key findings for Rebecca?

The key findings for Rebecca suggest that a range of upper and lower respiratory tract infections should be considered in the differential diagnosis. Including conditions like otitis media, pneumonia, sinusitis, and upper respiratory infections (URI) is essential because these conditions can present with overlapping symptoms such as cough, nasal congestion, fever, and respiratory distress.

Otitis media could occur as a complication of URIs, where infections can spread or follow a viral illness. Pneumonia might present with cough and difficulty breathing, while sinusitis could cause nasal discharge and facial pain. URIs are common in pediatric populations and often lay the groundwork for these subsequent illnesses.

By recognizing this cluster of respiratory conditions, healthcare providers can ensure that they perform appropriate examinations, diagnostic tests, and treatments tailored to the child’s needs. The other options either limit the differential diagnosis too narrowly or include conditions not typically associated with the respiratory symptoms presented in this scenario.