A skin infection caused by bacteria. Usually the cause is staphylococcal (staph) but sometimes streptococcus (strep) can cause it, too. Impetigo is most common in children between the ages of two and six. It usually starts when bacteria get into a break in the skin, such as a cut, scratch or insect bite.
Symptoms of impetigo start one to three days after infection with red or pimple-like sores surrounded by red skin. These sores can be anywhere, but usually they occur on the face, arms, and legs. The sores fill with pus, then break open after a few days and form a thick crust. They are often itchy, but scratching them can spread the sores. Impetigo can spread by contact with sores or nasal discharge from an infected person. Impetigo can be treated with antibiotics.
Related category HEALTH AND DISEASE
Source: U.S. National Library of Medicine
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