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Orbital vs Periorbital Cellulitis

Differentiates sight-threatening orbital (postseptal) cellulitis from periorbital (preseptal) cellulitis — using hard signs to decide who needs CT orbits and admission.

Signs of sepsis?
Hypotension, tachycardia, altered mental status, high fever with hemodynamic instability, or other signs of systemic toxicity.
Orbital (postseptal) cellulitis is a sight- and life-threatening emergency — when in doubt, image. This tool differentiates orbital from periorbital cellulitis; drug selection lives in the ABX selector.