It is caused by the intradermal migration of strongyloides and distinguished fromcutaneous larva migrans (caused byhookworm) by its rapid migration, perianal involvement and wide band of urticaria.[4]
^Ren, Melody; Boggild, Andrea K. (2021)."Strongyloidiasis". In Weatherhead, Jill E. (ed.).Neglected Tropical Diseases - North America. Switzerland: Springer. pp. 35–36.ISBN978-3-030-63384-4.