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Orbital cellulitis — RCPSC EM MCQ

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HardInfectious disease emergenciesOrbital cellulitisRCPSC EM

A 10-year-old boy has fever, painful eye movements, proptosis, and reduced visual acuity after sinusitis. WBC is 18 x 10^9/L and CT orbit shows post-septal inflammation with a small subperiosteal abscess. What is the most appropriate disposition?

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Correct answer: B — Admit for IV antibiotics with urgent ophthalmology/ENT review

Orbital cellulitis threatens vision and intracranial spread. Proptosis, painful eye movements, and visual change require admission, IV antibiotics, and urgent ophthalmology/ENT involvement.

Reference: Canadian Paediatric Society orbital cellulitis guidance