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Definition

By Mayo Clinic staff

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Photo of impetigo sores Impetigo

Impetigo (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. The sores burst and develop honey-colored crusts.

Impetigo may clear on its own in two to three weeks, but antibiotics can shorten the course of the disease and help prevent the spread to others.

You may need to keep your child home from school or day care until he or she is no longer contagious, which is usually 24 to 48 hours after you begin antibiotic treatment. Without antibiotics, impetigo is contagious until the sores go away.

Symptoms
References
  1. Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed Feb. 26, 2013.
  2. Habif TP. Clinical Dermatology: A Color Guide to Diagnosis and Therapy. 5th ed. Edinburgh, U.K.; New York, N.Y.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-7234-3541-9..X0001-6--TOP&isbn=978-0-7234-3541-9&uniqId=230100505-57. Accessed Feb. 26, 2013.
  3. Baddour LM. Impetigo. http://www.uptodate.com/home. Accessed Feb. 26, 2013.
  4. AskMayoExpert. Impetigo. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2012.
  5. Ferri FF. Ferri's Clinical Advisor 2013:5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2012. http://www.mdconsult.com/books/about.do?eid=4-u1.0-B978-0-323-08373-7..00002-9&isbn=978-0-323-08373-7&about=true&uniqId=343863096-23. Accessed Feb. 27, 2013.
  6. Impetigo care. American Academy of Pediatrics. http://www.healthychildren.org/English/health-issues/conditions/skin/Pages/Impetigo.aspx?nfstatus=401&nftoken=00000000-0000-0000-0000-000000000000&nfstatusdescription=ERROR%3a+No+local+token. Accessed Feb. 27, 2013.
  7. Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. March 12, 2013.
  8. Wolff K, et al. Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology.6th ed. New York, N.Y.: The McGraw-Hill Companies; 2009. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=45. Accessed Feb. 28, 2013.
  9. Baddour LM. Patient information: Impetigo (beyond the basics). http://www.uptodate.com/home. Accessed Feb. 28, 2013.
DS00464 May 15, 2013

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