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Cellulitis is a common skin infection caused by bacteria.
Skin infection - bacterial
Causes, incidence, and risk factors
Staphylococcus and streptococcus bacteria are the most common causes of cellulitis.
The skin normally has many types of bacteria living on it. When there is a break in the skin, however, bacteria can enter the body and cause infection and inflammation. The skin tissues in the infected area become red, hot, irritated, and painful.
Risk factors for cellulitis include:
Cracks or peeling skin between the toes
History of peripheral vascular disease
Injury or trauma with a break in the skin (skin wounds)
Insect bites and stings
, animal bites, or human bites
or a blockage in the blood supply (ischemia)
Use of corticosteroid medications o...
Definition Orbital cellulitis is an acute infection of the tissues immediately surrounding the eye, including the eyelids, eyebrow, and cheek. Causes, incidence, and risk factors 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.
Definition Periorbital cellulitis is an infection of the tissues surrounding the eye. Alternative Names Preseptal cellulitis Causes, incidence, and risk factors Periorbital cellulitis is most common in children under age 6. It can be the result of minor trauma to the area around the eye, or it may extend from another site of infection, such as sinusitis .
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