Back قوباء Arabic ایمپیتیگو AZB Impetigen Catalan Impetigo Czech Impetigo contagiosa German Μολυσματικό κηρίο Greek Impétigo Spanish Inpetigo Basque زردزخم Persian Märkärupi Finnish

Impetigo

For the band, see Impetigo (band).
Not to be confused with the 2019 horror film, Impetigore.
Impetigo
Other namesSchool sores,[1] impetigo contagiosa
A case of impetigo on the chin
Pronunciation
SpecialtyDermatology, infectious disease
SymptomsYellowish skin crusts, painful[2][3]
ComplicationsCellulitis, poststreptococcal glomerulonephritis[3]
Usual onsetYoung children[3]
DurationLess than 3 weeks[3]
CausesStaphylococcus aureus or Streptococcus pyogenes which spreads by direct contact
Risk factorsDay care, crowding, poor nutrition, diabetes mellitus, contact sports, breaks in the skin[3][4]
PreventionHand washing, avoiding infected people, cleaning injuries[3]
TreatmentBased on symptoms[3]
MedicationAntibiotics (mupirocin, fusidic acid, cefalexin)[3][5]
Frequency140 million (2010)[6]

Impetigo is a bacterial infection that involves the superficial skin.[2] The most common presentation is yellowish crusts on the face, arms, or legs.[2] Less commonly there may be large blisters which affect the groin or armpits.[2] The lesions may be painful or itchy.[3] Fever is uncommon.[3]

It is typically due to either Staphylococcus aureus or Streptococcus pyogenes.[7] Risk factors include attending day care, crowding, poor nutrition, diabetes mellitus, contact sports, and breaks in the skin such as from mosquito bites, eczema, scabies, or herpes.[3][4] With contact it can spread around or between people.[3] Diagnosis is typically based on the symptoms and appearance.[3]

Prevention is by hand washing, avoiding people who are infected, and cleaning injuries.[3] Treatment is typically with antibiotic creams such as mupirocin or fusidic acid.[3][5] Antibiotics by mouth, such as cefalexin, may be used if large areas are affected.[3] Antibiotic-resistant forms have been found.[3] Healing generally occurs without scarring.[7]

Impetigo affected about 140 million people (2% of the world population) in 2010.[6] It can occur at any age, but is most common in young children.[3] In some places the condition is also known as "school sores".[1] Without treatment people typically get better within three weeks.[3] Recurring infections can occur due to colonization of the nose by the bacteria.[8][9] Complications may include cellulitis or poststreptococcal glomerulonephritis.[3] The name is from the Latin impetere meaning "attack".[10]

  1. ^ a b "Impetigo - school sores". Bettel Health Channel. Archived from the original on 5 July 2017. Retrieved 10 May 2017.
  2. ^ a b c d Ibrahim F, Khan T, Pujalte GG (December 2015). "Bacterial Skin Infections". Primary Care. 42 (4): 485–499. doi:10.1016/j.pop.2015.08.001. PMID 26612370. S2CID 29798971.
  3. ^ a b c d e f g h i j k l m n o p q r s t Hartman-Adams H, Banvard C, Juckett G (August 2014). "Impetigo: diagnosis and treatment". American Family Physician. 90 (4): 229–235. PMID 25250996.
  4. ^ a b Adams BB (2002). "Dermatologic disorders of the athlete". Sports Medicine. 32 (5): 309–321. doi:10.2165/00007256-200232050-00003. PMID 11929358. S2CID 34948265.
  5. ^ a b Koning S, van der Sande R, Verhagen AP, van Suijlekom-Smit LW, Morris AD, Butler CC, et al. (January 2012). "Interventions for impetigo". The Cochrane Database of Systematic Reviews. 1 (1): CD003261. doi:10.1002/14651858.CD003261.pub3. PMC 7025440. PMID 22258953.
  6. ^ a b Vos T, Flaxman AD, Naghavi M, Lozano R, Michaud C, Ezzati M, et al. (December 2012). "Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010". Lancet. 380 (9859): 2163–2196. doi:10.1016/S0140-6736(12)61729-2. PMC 6350784. PMID 23245607.
  7. ^ a b Stevens DL (2022). "18. Impetigo". In Jong EC, Stevens DL (eds.). Netter's Infectious Diseases (2nd ed.). Philadelphia: Elsevier. pp. 78–80. ISBN 978-0-323-71159-3.
  8. ^ "Impetigo symptoms and treatments". www.nhsinform.scot. Retrieved 2020-05-26.
  9. ^ "Impetigo and Ecthyma - Skin Disorders". Merck Manuals Consumer Version. Retrieved 2020-05-26.
  10. ^ Concise English Dictionary. Wordsworth Editions Limited. 1993. p. 452. ISBN 978-1-84022-497-9. Archived from the original on 2016-10-03.

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