Impetigo is a common type of skin infection. If you pick at sores or scratch
itchy bites, you may allow the bacteria which cause impetigo to enter your skin.
- Bacteria may enter through some sort of break in the skin. Typically
the break in the skin is obvious (such as a skinned knee or a
cut, or even
an insect bite), but even very small, microscopic breaks may allow for
bacteria to enter.
- Once the bacteria get into the inner layers of the
skin, they grow and multiply, creating a blister. Usually, this blister
becomes filled with pus and bursts, leaving a crust. It is this blistering
and crusting which is typical of impetigo.
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