Skip to Content
A boil (furuncle) is a red, swollen, painful bump under the skin
caused by an infected hair follicle. Bacteria from the infection forms a pocket
of pus (abscess), which can become large and cause severe pain.
Boils occur most often on the face, neck, breasts, buttocks, in
the groin area, and in the armpits. Depending on their size and location, many
boils can be treated at home with warm compresses and by keeping the skin over
the boil clean when it opens and drains. A doctor may need to open
large boils and boils on the face or near the spine or anal area to avoid more
Current as of:
February 5, 2016
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Adam Husney, MD - Family Medicine & H. Michael O'Connor, MD - Emergency Medicine
To learn more about Healthwise, visit Healthwise.org.
© 1995-2016 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
© Copyright 2017 Rush-Copley Medical Center • 2000 Ogden Avenue; Aurora, IL 60504
Main: 630-978-6200 • Physician Referral & Information: 630-978-6700 or 866-4COPLEY (866-426-7539)