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Alternative names Return to top
Skin infection - staphylococcal; Infection - skin - staph; Staph skin infection; CarbunclesDefinition Return to top
A carbuncle is a local, but deep, staphylococcal skin infection.Causes, incidence, and risk factors Return to top
A carbuncle consists of several furuncles that develop close together. They expand and join together to form a larger mass (aggregation of cells) with multiple drainage points. This mass may be deeper beneath the skin surface than simple furuncles. They develop slowly, and may be so deep that they do not drain on their own. Carbuncles may develop anywhere, but they are most common on the back and the nape of the neck. Carbuncles are less common than boils. Men are more prone to carbuncles than women.Symptoms Return to top
Itching of the skin may occur before the skin lesions develop.
Signs and tests Return to top
Diagnosis is primarily based on the appearance of the skin. A skin biopsy and bacterial culture of the lesion may help to make the diagnosis or determine the exact type of bacteria involved.Treatment Return to top
Carbuncles usually must drain before they will heal. This most often occurs in less than 2 weeks. Carbuncles that persist longer than 2 weeks, recur, are located on the spine or the middle of the face, or that are accompanied by fever or other symptoms require treatment by a health care provider because of the risk of complications from the spread of infection.Expectations (prognosis) Return to top
Carbunculosis may heal spontaneously and usually responds well to treatment. It often recurs for months or years following an initial infection.Complications Return to top
Calling your health care provider Return to top
Call for an appointment with your health care provider if carbuncles develop and do not heal with home treatment within 2 weeks.Prevention Return to top
Good general health and hygiene may help prevent some staph skin infections. These infections are contagious, so care must be taken to avoid contamination of other skin areas or other people. Update Date: 8/15/2003 Updated by: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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Page last updated: 28 October 2004 |