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Bacterial sinusitis — ABFM Board MCQ

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EasyENT, OphthalmologyBacterial sinusitisABFM Board

A 38-year-old man has purulent nasal discharge, facial pressure, and cough that initially improved after a cold but worsened again on day 8 with fever. Which of the following is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: C — Acute bacterial rhinosinusitis

Double worsening after initial viral improvement suggests acute bacterial rhinosinusitis.

Reference: American Family Physician clinical reviews and AAFP guidance: https://www.aafp.org/pubs/afp.html