An abscess (also known as a boil) is a collection of pus that usually causes swelling and inflammation. Abscesses can occur in children and adults in any part of the body.

Causes

An abscess is an infection caused by a bacteria (usually Staphylococcus aureus), which invades a skin pore.
Children are more at risk of getting an abscess if they have a cut, scratch or abrasion, or if they have eczema that’s broken the skin’s surface.

Symptoms

At first, you’ll notice a painful, reddened lump. Over a few days, the lump will become redder and more painful. Pus then forms. After several days, the abscess comes to a head. It will either burst itself naturally or need to be lanced and drained by your doctor, under sterile conditions. The most common locations for abscesses include the face, throat, armpits, groin and buttocks.

Treatment

It’s important to wash your hands if you touch an abscess because the pus is infectious.

You should always get a doctor to lance or drain an abscess if it doesn’t burst naturally. Squeezing the abscess at home can be extremely painful and can spread infection to other parts of the body, including the bloodstream.

The doctor might prescribe antibiotics, depending on the severity of the abscess, or if there’s a suspicion the bacteria has spread into the bloodstream.

After the abscess has opened, it won’t be as painful and should start to heal quickly.

 
  • Last Updated 01-06-2011
  • Last Reviewed 13-05-2011
  • Morelli, J.G. (2007). Cutaneous bacterial infections. In R. Kliegman, R. Behrman, H. Jenson & B. Stanton (Eds), Nelson textbook of pediatrics (18th edn, pp. 2736-2744). Philadelphia: Saunders Elsevier.Morelli, J.G., & Burch, J.M. (2009). Skin. In W. Hay, M. Levin, J. Sondheimer & R. Deterding (Eds), Current diagnosis and treatment: Pediatrics. (20th edn, pp. 381-400). New York: McGraw-Hill.Royal Children’s Hospital (2010). Staphylococcal infections. Retrieved April 4, 2011, from http://www.rch.org.au/kidsinfo/factsheets.cfm?doc_id=6508.New Zealand Dermatological Society Incorporated (2010).  Abscess. Retrieved April 4, 2011, from http://www.dermnetnz.org/bacterial/boils.html.Berk, D.R., & Bayliss, S.J. (2010). MRSA, staphylococcal scalded skin syndrome, and other cutaneous bacterial emergencies. Pediatric Annals, 39(10), 627-33.Cohen, P.R. (2007). Community-acquired methicillin-resistant Staphylococcus aureus skin infections: implications for patients and practitioners. American Journal of Clinical Dermatology, 8(5), 259-70.Victorian Government Department of Health. (2011). Boils. Retrieved April 4, 2011, from http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Boils?open.

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