What is cellulitis?
Cellulitis is a deep bacterial infection of the skin and soft tissue of the skin. The infection is most commonly found on the legs. It can also be seen around the eye, mouth, abdominal wall, and anus. Cellulitis may happen in normal skin, but it usually happens after some type of trauma causes an opening in your skin. This opening can lead to an infection.
What is the cause of cellulitis?
Cellulitis is usually caused by a bacterial infection of a wound or area of skin that is no longer whole. The most common bacterial causes of cellulitis include the following:
Staphylococci and streptococci are commonly found on the skin or mucous membranes of the mouth and nose in healthy people. The infection happens when there is a break in the skin, allowing the bacteria to enter. Other causes may include human or animal bites, or injuries that happen in water.
What are the symptoms of cellulitis?
The following are the most common symptoms of cellulitis. However, each individual may experience symptoms differently. Symptoms may include:
Some cases of cellulitis are considered an emergency. Always consult your health care provider immediately if you notice any of the following symptoms:
A very large area of red, inflamed skin
If the area affected is causing numbness, tingling, or other changes in a hand, arm, leg, or foot
If the skin appears black
If the area that is red and swollen is around your eye(s) or behind the ear(s)
If you have diabetes or have a weakened immune system and develops cellulitis
The symptoms of cellulitis may resemble other skin conditions. Always consult your health care provider for a diagnosis.
How is cellulitis diagnosed?
Diagnosis is usually based on a medical history and physical examination. Blood and skin samples may be taken to confirm the diagnosis and the type of bacteria that is present.
Treatment for cellulitis
Specific treatment for cellulitis will be determined by your health care provider based on:
Your age, overall health, and medical history
Extent of the condition
Your tolerance for specific medicine, procedures, or therapies
Expectations for the course of the condition
Your opinion or preference
Immediate treatment can help prevent the spread of cellulitis. Treatment may include:
Oral or intravenous (IV) antibiotics
Cool, wet dressings on the infection site
Keeping the area dry and clean
If you have an extremity (arm or leg) that is affected, your health care provider may have you raise the extremity and decrease the amount of activity
Appropriate time to heal
Based on the physical examination, your health care provider may treat you in the hospital, depending on the severity of the cellulitis. In the hospital, you may receive antibiotics and fluids through an intravenous (IV) catheter.
Last Reviewed Date: 04/27/2015
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