Pustules

Pustules, superficial on the arm

An infection of the topmost layers of the skin, especially one caused by staphylococci, may produce pustules, which look like small blisters containing a thick, yellowish material.

Definition

Pustules are small, inflamed, pus-filled, blister-like lesions on the skin surface.

Considerations

Pustules are common in acne. They may occur anywhere on the body, but are most commonly seen on the face, shoulders, back, and over the breastbone, and in areas of increased sweating such as the groin and armpit. Pustules may be a sign of a bacterial infection, and should be checked by a doctor.

References

Habif TM. Principles of diagnosis and anatomy. In: Habif TP, ed. Clinical Dermatology. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 1.

See also:

  • Disease

    Acne

    Baby acne

    Acne is a skin condition that causes whiteheads, blackheads, and inflamed red growths (papules, pustules, and cysts) to form. These growths are commonly called pimples or “zits.”

Review date:
October 28, 2010
Reviewed by:
Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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