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Pustules are small, inflamed, pus-filled, blister-like lesions on the skin surface.
Pustules are common in acne. They may occur anywhere on the body, but are most commonly seen in the following areas:
- Over the breastbone
- Sweaty areas such as the groin or armpit
Pustules may be a sign of a bacterial infection, and should be checked by a health care provider.
Habif TM. Principles of diagnosis and anatomy. In: Habif TP, ed. Clinical Dermatology. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 1.
Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, Stephanie Slon, and Nissi Wang.