Orbital cellulitis is an acute infection of the tissues immediately surrounding the eye with potentially serious complications.
This condition is considered a major ophthalmologic emergency that requires immediate treatment.
Infants and children up to the age of seven seem to be particularly susceptible to infection with Haemophilus influenzae and are most at risk. The actual incidence is not reported, but it is a rare infection.
It is usually caused by a bacterial infection which typically will have spread from the ethmoid or paranasal sinuses but may also have its origin elsewhere such as a boil on the eye or eyelid (stye), recent trauma to the eye, injury to the eyelid (including bug bites), or a foreign object.
Among children, orbital cellulitis – and the less serious infection but still important periorbital cellulitis – is most often caused by the organism Haemophilus influenzae. Other organisms such as Staphylococcus aureus, Streptococcus pneumoniae and Beta hemolytic streptococci also may cause this condition.
Tests commonly include:
Other tests may include:
Hospitalization is always required. Treatment consists of IV fluids with antibiotics. Surgical drainage of an abscess may be necessary. Proper evaluation and early treatment of sinus, dental, or other infections may prevent the spread of infection to the eye(s).
With early recognition and treatment the patient can be expected to recover fully.
Complications can include:
A physician should be called if a child exhibits any swelling of the eyelid, especially if it is associated with fever.
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