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Acute viral rhinosinusitis — USMLE Step 3 MCQ

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EasyAmbulatory Medicine / Primary CareAcute viral rhinosinusitisUSMLE Step 3

A 33-year-old teacher has nasal congestion, clear rhinorrhea, facial pressure, and cough for 5 days. Temperature is 99.3°F. Symptoms are improving. Examination shows edematous nasal mucosa without periorbital swelling. Which of the following is the most likely diagnosis?

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Correct answer: C — Acute viral rhinosinusitis

Short-duration improving upper respiratory symptoms without severe fever or double worsening suggest viral rhinosinusitis.

Reference: IDSA Acute Bacterial Rhinosinusitis Guideline