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Definition
By Mayo Clinic staffImpetigo (im-puh-TIE-go) is a highly contagious skin infection that mainly affects infants and children. Impetigo usually appears as red sores on the face, especially around a child's nose and mouth. Although it commonly occurs when bacteria enter the skin through cuts or insect bites, it can also develop in skin that's perfectly healthy.
Impetigo is seldom serious, and usually clears on its own in two to three weeks. But because impetigo can sometimes lead to complications, your child's doctor may choose to treat impetigo with an antibiotic ointment or oral antibiotics. Your child can usually return to school or a child care setting as soon as he or she isn't contagious — often within 24 hours of starting antibiotic therapy.
- Habif, TP. Bacterial infections. In: Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 4th ed. Philadelphia, Pa.: Mosby, Inc; 2004. http://www.mdconsult.com/das/book/body/103909824-2/0/1195/53.html?tocnode=51440785&fromURL=53.html#4-u1.0-B0-323-01319-8..50011-X_938. Accessed Aug. 11, 2008.
- Morelli JG. Cutaneous bacterial infections. In: Kliegman RM, et al. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/103909824-3/743716949/1608/1552.html#4-u1.0-B978-1-4160-2450-7..50666-6--cesec5_12130. Accessed Aug. 11, 2008.
- Cole C, et al. Diagnosis and treatment of impetigo. American Family Physician. 2007;75(6):859-864, 868.
- Lopez FA, et al. Skin and soft tissue infections. Infectious Disease Clinics of North America. 2006;20(4):759-772.
- Community-associated MRSA information for the public. Centers for Disease Control and Prevention. http://www.cdc.gov/ncidod/dhqp/ar_mrsa_ca_public.html. Accessed Aug. 11, 2008
- Baddour LM, et al. Impetigo. http://www.uptodate.com/home/index.html. Accessed Aug. 11, 2008.
