Preseptal (periorbital) cellulitis:
Sx: Eyelid erythema & swelling; Chemosis
Tx: Oral antibiotics
Orbital cellulitis:
Sx: Symptoms of preseptal cellulitis PLUS Pain with extraocular movements, proptosis &/or ophthalmoplegia with diplopia
Tx: Intravenous abx ceftriaxone or ampicillin-sulbactam (+/- vancomycin) ± Surgery (if evidence of a drainable fluid collection such as an abscess)
