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Definition Return to top
Orbital cellulitis is an acute infection of the tissues immediately surrounding the eye, including the eyelids, eyebrow, and cheek.
Causes Return to top
Orbital cellulitis is a dangerous infection with potentially serious complications.
Bacteria from a sinus infection (often Haemophilus influenzae) usually cause this condition in children. Children up to age 6 - 7 seem to be particularly susceptible to infection with this type of bacteria. However, the rate of severe orbital cellulitis has dropped steadily since the introduction of 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.
Symptoms Return to top
Exams and Tests Return to top
Tests commonly include:
Treatment Return to top
The patient usually needs to stay in the hospital. Treatment includes antibiotics given through a vein. Surgery may be needed to drain the abscess.
An orbital cellulitis infection can get worse very quickly. The patient must be carefully checked every few hours.
Outlook (Prognosis) Return to top
With prompt treatment, the person can make a complete recovery.
Possible Complications Return to top
When to Contact a Medical Professional Return to top
Orbital cellulitis is an emergency that requires immediate treatment. Call your health care provider if there are signs of eyelid swelling, especially with a fever.
Prevention Return to top
Receiving the HiB vaccine according to recommended schedules generally will prevent most haemophilus infections in children. Young children in the same household who have been exposed to this bacteria may receive antibiotics to prevent getting sick.
Proper detection and early treatment of sinus, dental, or other infections may prevent the spread of infection to the eyes.
References Return to top
Nageswaran S, Woods CR, Benjamin DK Jr, Givner LB, Shetty AK. Orbital cellulitis in children. Pediatr Infect Dis J. 2006 Aug;25(8):695-9.
Ambati BK, Ambati J, Azar N, Stratton L, Schmidt EV. Periorbital and orbital cellulitis before and after the advent of Haemophilus influenzae type B vaccination. Ophthalmology. 2000 Aug;107(8):1450-3.
Durand ML. Periocular Infections In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 6th ed. London: Churchill Livingstone; 2005:chap.110.Update Date: 2/22/2007 Updated by: Manju Subramanian, MD, Assistant Professor in Ophthalmology, Vitreoretinal Disease and Surgery, Boston University Eye Associates, Boston, MA. Review provided by VeriMed Healthcare Network.