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You are here : 3-RX.com > Medical Encyclopedia > Diseases and Conditions > Furuncle


Alternate Names : Infected Cyst

Overview, Causes, & Risk Factors | Symptoms & Signs | Diagnosis & Tests | Prevention & Expectations | Treatment & Monitoring

A furuncle is a skin infection involving the entire hair follicle and the underlying skin tissue.

What is going on in the body?

Staphylococcal bacteria are normally found on the skin surface. Damage to the hair follicle allows the bacteria to enter deeper into the tissues of the hair follicle and the underlying tissue. Hair follicles can become inflamed on any area of the body. Blocked sweat glands or ingrown hairs may contribute to the formation of a furuncle. They are most likely to develop on areas that are subjected to constant friction, sweating, or rubbing by clothing or athletic gear.

What are the causes and risks of the condition?

Furuncles are caused by an acute, localized staphylococcal infection which produces an abscess of the skin and underlying tissue. Furuncles are more common in people who:

  • are overweight or obese
  • have diabetes
  • have poor hygiene
  • use intravenous (IV) drugs


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    Furuncle: Symptoms & Signs

    Author: Lynn West, MD
    Reviewer: Gail Hendrickson, RN, BS
    Date Reviewed: 07/02/01

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