Scabies

Bart J. Currie, Ulrich R. Hengge

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    Scabies has been recognized as a contagious disease for centuries. Although large epidemics have been related to poverty, overcrowding, and social upheaval such as in wars, endemic scabies persists in most tropical regions. In addition to the discomfort of the often-intractable itch, secondary bacterial pyoderma is an important antecedent to systemic bacterial sepsis and poststreptococcal glomerulonephritis. Hyperinfestation (crusted or Norwegian scabies) is increasingly recognized in patients with acquired immunodeficiency syndrome (AIDS) and also in elderly individuals in nursing homes, who may be the focus of unexpected and initially unrecognized scabies out breaks. Molecular epidemiologic studies have shown scabies to be generally host restricted, with human-to-human infection cycles not overlapping with those of animal scabies. Although definitive diagnosis of scabies requires microscopic visualization of a mite retrieved from a skin burrow, empiric treatment based on clinical suspicion remains far more common. The skin rash of scabies can be very variable and hard to distinguish from many other dermatologic conditions. Furthermore, clinical care and availability of treatment are limited in many locations where scabies is endemic. Hence accurate global epidemiology is lacking and both over- and underdiagnosis frequently occur.
    Original languageEnglish
    Title of host publicationTropical Dermatology
    EditorsS.K Tyring , O. Lupi , U.R Hengge
    Place of PublicationPhiladelphia
    PublisherElsevier
    Chapter29
    Pages377-386
    Number of pages10
    Edition2nd
    ISBN (Electronic)9780323296342
    ISBN (Print)9780323339148
    DOIs
    Publication statusPublished - 2017

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  • Cite this

    Currie, B. J., & Hengge, U. R. (2017). Scabies. In S. K. Tyring , O. Lupi , & U. R. Hengge (Eds.), Tropical Dermatology (2nd ed., pp. 377-386). Elsevier. https://doi.org/10.1016/B978-0-323-29634-2.00029-8