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Description of Impetigo
Impetigo, also known as pyoderma or impetigo contagiosa, is a type of skin infection caused by bacteria. In most cases, this infection occurs in children between the ages of two and five.
This is a contagious infection, and it can be spread from one person to another, or from one part of the body to another. Skin-to-skin contact is the most common method of transmission.
Impetigo is often described as red, flat spots or pimple-like bumps surrounded by red skin. It may appear as a single sore; more commonly, it is multiple sores. After a couple of days, the sores form blisters and fill with pus. They then burst and form a weepy, thick, yellow, gold, or brown crust. On occasion, the blisters may leave a crater in the skin.
This skin condition is frequently found on the arms, legs, or face -- particularly, the nose and mouth.
(Click Impetigo for a more in-depth description of this bacterial skin infection. This article also discusses the causes, symptoms, and treatment options available.)
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Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD