Impetigo usually is treated with antibiotics, either in the form of liquid, pills, or an injection. A topical skin cream such as mupirocin (Bactroban) also may be prescribed. The area around the blisters should be washed with soap and water, and any moist, yellow scabs can be gently cleansed with a hydrogen peroxide diluted with water. Covering the area with gauze and tape or a loose plastic bandage can help to reduce the risk of spreading the infection to other parts of the body.
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