Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Carbuncles are clusters of boils caused by bacterial infection, commonly by Staphylococcus aureus. They are deeper and more severe than single boils and can cause significant discomfort and systemic symptoms.
5 Must Know Facts For Your Next Test
Carbuncles typically involve multiple hair follicles and form a larger, interconnected mass of pus.
The primary causative agent is Staphylococcus aureus, often methicillin-resistant (MRSA).
Symptoms include redness, swelling, pain, and sometimes fever or chills indicating a systemic infection.
Risk factors include poor hygiene, immune suppression, diabetes, and close physical contact with someone who has a staph infection.
Treatment often involves drainage of the carbuncle and antibiotics to combat the bacterial infection.
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Related terms
Boils: Painful pus-filled bumps that develop under the skin when bacteria infect hair follicles.
Furunculosis: A condition characterized by recurrent boils due to a bacterial infection.