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Related articles

Approach to the patient with pustular skin lesions


Pustules are circumscribed collections of white blood cells and serous fluid. Many skin lesions will present with papules or vesicles (clear fluid); those presenting with pustules occur less frequently. It is important to recognize the morphological pattern of pustules because it may imply a different spectrum of differential diagnosis as well as treatment.

While the differential diagnosis of pustules is broad (table 1), most diagnoses seen by primary care physicians will fit one of the diseases below. Several defining features can aid in narrowing down the possibilities in an efficient manner:

The patient's age and general health

The distribution of lesions

The duration of the lesions


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Literature review current through: Nov 2014. | This topic last updated: Apr 9, 2014.
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