Cellulitis is an infection of the skin and tissue just below the skin. The infection may occur anywhere on the body. It is most common on the lower legs.
Cellulitis is caused by a bacterial infection. It may come from bacteria that normally lives on the skin or bacteria from other sources. The bacteria enter the skin through a cut or injury. The infection spreads into the surrounding skin.
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Factors that may increase the risk of cellulitis include:
Symptoms may begin within hours or days and can include:
Cellulitis near the eyes may cause pain with eye movements and should be treated right away.
The doctor will ask about your symptoms and medical history. A physical exam will be done. Your doctor will also ask about exposure to natural bodies of water or animals. Your skin will be closely examined. The doctor may mark the border of the cellulitis on your skin. This will help to monitor its progress
Tests may include:
In severe cases, the infection can lead to tissue death known as gangrene . It can also spread to the bone.
Images may be taken of your bodily structures. This can be done with:
The goal is to eliminate the infection and reduce discomfort. Most cases resolve after a week or two of treatment.
Hospital care may be needed if you have:
Antibiotics may be taken by mouth or injected into a muscle or vein. The method will depend on the severity of the infection. The antibiotic chosen will depend on the bacteria causing the infection. Pain medication may also be prescribed.
This may include:
If you are diagnosed with cellulitis, follow your doctor's instructions .
If you have an infected wound, it will need to be cleaned. Dead tissue may be removed. In certain situations, a collection of pus may develop. This is called an abscess , which can be drained.
To reduce your risk of getting cellulitis:
American Academy of Dermatology
National Institute of Allergy and Infectious Diseases
Canadian Dermatology Association
Cellulitis. EBSCO DynaMed website. Available at: https://dynamed.ebscohost.com/about/about-us . Updated July 2, 2013. Accessed September 17, 2013.
Cellulitis. Wexner Medical Center website. Available at: http://medicalcenter.osu.edu/patientcare/healthcare_services/skin_conditions/skin_infections/bacterial_skin_infections/cellulitis/Pages/index.aspx . Accessed September 17, 2013.
Stevens DL, Bisno AL, et al. Practice guidelines for the diagnosis and management of skin and soft-tissue infections. Clin Infect Dis. 2005;41(10):1373-1406.
Last reviewed September 2013 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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