May 18, · t’s precisely the same two pathogenic bacteria that make impetigo an issue in children are what causes impetigo in adults—staph and strep. Both of these harmlessly live and thrive everywhere on the epidermis, or more specifically, the stratum corneum. Impetigo Medicine: Mupirocin, Neosporin, Amoxicillin, Bacitracin and Cephalexin. Impetigo often starts with a cut or break in the skin that allows bacteria entry. Impetigo is usually caused by "staph" (Staphylococcus) or "strep" (Streptococcus) bacteria.
Jun 25, · Impetigo is an infection caused by strains of staph or strep bacteria. These bacteria can get into your body through a break in the skin from a cut, scratch, insect bite, or rash. Then they can Author: Marjorie Hecht.