IMPETIGO, DESCRIPTION, ETIOLOGY, EPIDEMIOLOGY, PATHOPHYSIOLOGY, EVALUATION, DIFFERENTIAL DIAGNOSIS, TREATMENT, PROGNOSIS AND COMPLICATIONS

Introduction: Impetigo is a common infection of the superficial layers epidermis that highly contagious and usually originated by gram-positive bacteria, this disease manifests with presence erythematous plaques yellow crust, which may become itchy or painful. Diagnosis based on signs symptoms alone. Treatment involves topical oral antibiotics symptomatic care. Objective: to detail current information related impetigo, description, etiology, epidemiology, pathophysiology, evaluation, differential diagnosis, treatment, prognosis complications. Methodology: total 37 articles were analyzed in review, including review original articles, as well clinical cases, 28 bibliographies used because other not relevant study. The sources PubMed, Google Scholar Cochrane; terms search for Spanish, Portuguese English were: cutaneous bacterial infection, S. aureus, streptococcal, bullous impetigo. Results: accounts approximately 10% skin complaints pediatric population main pathogens involved include Staphylococcus aureus Streptococcus pyogenes. There are two variants impetigo: non-blistering (70%) blistering (30%)Streptococcus pyogenes (group A streptococcus) one most important causes soft tissue infections (STBI) worldwide. non-life-threatening but can lead acute post-streptococcal glomerulonephritis. Conclusions: early life, especially warm humid climates. be caused affects face, occur anywhere else body laceration, abrasion, insect bite, trauma. History physical examination paramount manifestations strategies impetigo differ, depending whether condition localized generalized, resistance patterns causative agents guidelines. Topical alone combination systemic frequently treatment. good complications rare. KEY WORDS: blistering, cutaneous, skin.