larva currens

{{Infobox medical condition (new)

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| synonym =Nutria itch{{cite web |title=CDC - DPDx - Strongyloidiasis |url=https://www.cdc.gov/dpdx/strongyloidiasis/index.html |website=www.cdc.gov |access-date=14 August 2023 |language=en-us |date=30 July 2019}}

| image = Strongyloides stercoralis.jpg

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| caption = Iodine stained Strongyloides stercoralis

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| specialty = Dermatology

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Larva currens (Latin for racing larva), is an itchy skin condition caused by infections with ''Strongyloides stercoralis.{{cite book |last1=James |first1=William D. |last2=Elston |first2=Dirk |last3=Treat |first3=James R. |last4=Rosenbach |first4=Misha A. |last5=Neuhaus |first5=Isaac |title=Andrews' Diseases of the Skin: Clinical Dermatology |date=2020 |publisher=Elsevier |location=Edinburgh|isbn=978-0-323-54753-6 |page=433 |edition=13th |chapter-url=https://books.google.com/books?id=UEaEDwAAQBAJ&pg=PA433|language=en |chapter=20. Parasitic infestations, stings, and bites}}{{cite book |last1=Ren |first1=Melody |last2=Boggild |first2=Andrea K. |editor1-last=Weatherhead |editor1-first=Jill E. |title=Neglected Tropical Diseases - North America |date=2021 |publisher=Springer |location=Switzerland |isbn=978-3-030-63384-4 |pages=35–36 |chapter-url=https://books.google.com/books?id=AMArEAAAQBAJ&pg=PA35 |language=en |chapter=Strongyloidiasis}}

It is caused by the intradermal migration of strongyloides and distinguished from cutaneous larva migrans (caused by hookworm) by its rapid migration, perianal involvement and wide band of urticaria.{{cite journal|last=Arthur|first=Robert P.|title=Larva Currens|journal=A.M.A. Archives of Dermatology|date=1 August 1958|volume=78|issue=2|pages=186–90|doi=10.1001/archderm.1958.01560080044007|pmid=13558704}}