![]() The bacteria are transmitted through skin to skin contact or through direct contact with contaminated objects. While the lesions of either type of impetigo can be itchy, they are not usually painful. Impetigo lesions can erupt anywhere on your body, but the most common sites are the nose and mouth, followed by the arms or legs. After a few days, a golden crust will form over the blisters. Such vesicles tend to be thin roofed and easily ruptured, revealing a moist red infected layer beneath. It is due to staph bacteria which release epidermolytic toxins or poisonous substances that cause the lesions to form blisters (bulla is Latin for “blister”) or fluid-filled sacs called vesicles. This form is usually due to Streptococcus pyogenes (strep) bacterium, but can sometimes be caused by the Staphyloccocus aureus (staph) bacterium.īy contrast, the bullous form of impetigo manifests as a macule or red rash that resembles a burn mark. The nonbullous form is more common, accounting for 70% of all cases, and appears on the skin as a pustule or golden crusty sore surrounded by red infection. Impetigo has 2 forms: nonbullous and bullous. It refers to the breakouts or skin eruptions that characterize the disease. The term impetigo comes from the Latin verb impetere, meaning to attack. ![]() If you are an athlete, you have a greater risk than most people of contracting impetigo, a highly contagious skin infection that affects about 2% of the global population annually.
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