Impetigo – Causes and Treatment

[embedded content] Skin infection that causes a painless red rash with many small, itchy blisters, some of which contain pus. When the blisters break, characteristic yellow crusts form. Some people also have a slight fever with impetigo. Occasionally, bullous skin ulcers develop, creating a condition called ecthyma, which is likely to cause scarring. The infection, which is most common in infants and children, is caused by either streptococcal or staphylococcal bacteria. In some instances, the bacteria come from an infection elsewhere in the body, usually the nose or ears. In other cases, the bacteria invade the skin through a minor