Scratching: Impetigo is caused by infected skin sores. Scratching or picking at the lesions can easily transfer bacteria to other areas, especially any other breaks in the skin or mucous areas such as the nose or mouth area. Keep the sores clean, apply antibiotic ointment and a bandaid if needed. Avoid scratching or picking at them. Do good handwashing!
Answered 9/11/2013
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