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Impetigo: What is it?

Impetigo is a skin infection that is generally caused by one of two bacteria: group A streptococcus or staphylococcus aureus. Impetigo is most common in pre-school and school-age children, and is especially common in the summer. The infection often occurs when the skin has already been damaged, and most commonly occurs on the face around the mouth. Symptoms

Symptoms

When impetigo is caused by group A streptococcus, it begins as tiny blisters. These eventually burst to reveal small, wet patches of skin that may weep. A yellowish crust then forms over the affected area, making it look as if it has been coated with brown sugar. Impetigo caused by staphylococcus aureus may cause larger blisters containing fluid that starts off as clear, then turns cloudy. The affected area is sore and itchy.

Treatment

Impetigo is treated with antibiotics, which are given orally or, in mild cases, as an antibiotic cream. The skin usually begins to heal within two or three days.

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