Impetigo

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Abstract
In our practice, S. aureus is the most common cause of impetigo. In its usual form, staphylococcal impetigo appears as honey-colored crusts that cover a very shallow erosion. Staphylococcal bullous impetigo results in clear blisters and thin varnish-like crusts. Group A streptococci usually cause crusted ulcers surrounded by erythema. Partial removal of the crusts will reveal the depth of the process and thus help to distinguish clinically between staphylococcal and streptococcal forms. Cultures will further confirm the diagnosis. Herpes simplex is the disease most commonly misdiagnosed as impetigo. Several other skin diseases less commonly cause confusion. The treatment of first choice for all types of impetigo is a seven- to ten-day course of oral antibiotics, either erythromycin or dicloxacillin.

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