Impetigo »
What is impetigo? What causes it?
Impetigo (pronounced im-puh-TIE-go) is an infection of the surface of the skin, caused by staphylococcus ("staph") and streptococcus ("strep") bacteria. Impetigo is more common in children than in adults.
What are the types and symptoms of impetigo? What does impetigo look like?
The two kinds of impetigo are:
- Non-bullous impetigo: This is the common form, caused by both staph and strep
bacteria. It appears as small blisters or scabs, which then form yellow or honey-colored crusts. These often start around the nose and on the face, but
they also may affect the arms and legs. At times, there may be swollen glands nearby.
- Bullous impetigo: This form is caused by staph bacteria that produce a toxin that causes a break between the top layer (epidermis) and the lower levels of skin forming a blister. (The medical term for blister is bulla.) Blisters can appear in various skin ar...
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