Orbital cellulitis

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Eye anatomy

Orbital cellulitis is an acute infection of the tissues immediately surrounding the eye, including the eyelids, eyebrow, and cheek.

Orbital cellulitis is a dangerous infection with potentially serious complications.

Bacteria from a sinus infection (often Haemophilus influenzae) usually cause this condition in children. Orbital cellulitis due to this bacteria used to be much more common in young children up to age 6 - 7. However, such infection is now rare because of the HiB (Haemophilus influenzae B) vaccine.

The bacteria Staphylococcus aureus, Streptococcus pneumoniae, and beta-hemolytic streptococci may also cause orbital cellulitis.

Other causes include a stye on the eyelid, bug bites, or a recent eyelid injury.

Orbital cellulitis infections in children may get worse very quickly and can lead to blindness. Immediate medical attention is needed.

Review Date: 07/28/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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