Yes. If the patient touches the affected area, he/she can spread the impetigo to other parts of body.
Yes. Without treatment, often spreads to other areas of skin, or causes more serious infection, such as cellulitis or abcess, respiratory or even joint or bloodstream infection. Also can easily spread to others in the household, or can have come from someone else carrying the bacteria assymptomatically.
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! Read more...