Furuncles, also known as boils, are painful, pus-filled bumps that form under the skin due to bacterial infection of hair follicles. They are commonly caused by Staphylococcus aureus.
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Furuncles typically begin as red, tender lumps that quickly fill with pus and become more painful.
Common sites for furuncles include the face, neck, armpits, shoulders, and buttocks.
The primary causative agent of furuncles is Staphylococcus aureus, a bacterium often found on the skin or in the nose.
Treatment may involve drainage of the boil and antibiotics if there is a concern about spreading infection.
Poor hygiene and conditions such as diabetes or immune suppression can increase susceptibility to developing furuncles.
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Related terms
Carbuncle: A cluster of interconnected furuncles that form a larger infected area.