What Are the Most Common Causes of Impetigo?


Quick Answer

Impetigo is caused by contagious bacteria, such as staphylococcus aureus, streptococcus pyogenes or MRSA, KidsHealth states. The contagious bacteria may be contracted through skin contact with an infected person's sores or by touching infected items, including towels, bedding and clothing.

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Full Answer

Irritating a pre-existing skin issue, such as eczema, cuts or insects bites, increases the chance of developing the infection, according to KidsHealth. Children are often tempted to scratch itchy skin patches, making them more likely to infect other body areas or household items.

Impetigo is a skin infection common in children. Depending on the source bacteria, the infection may cause large, fluid-filled blisters or tiny blisters that burst and form crust, KidsHealth states. Blisters usually appear on hands and forearms, and near corners of the mouth and nose.

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