Larva currens B78.11

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Autoinoculation by Strongyloides stercoralis (dwarf threadworm), which can be regarded as a special form of larva migrans pathognomonic for strongyloidosis. Further details see below strongyloidosis.

Occurrence/Epidemiology
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The infections are mainly observed in South East Asia.

Clinical features
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Single or multiple, band-like, elongated, recurrent, urticarial duct structures that develop within hours to days and have a particularly high migration rate (up to 10 cm/day) compared to infections with ankylostoma species (hookworms). The clinical symptoms persist for only a few hours, but recur regularly within a few months.

Therapy
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  • Ivermectin (Mectizan) 150-200 µg/kg bw as ED, repetition of therapy after 3 weeks due to frequent reinfection is recommended.
  • Alternatively: Tiabendazol (e.g. Mintezol) 2 times 25 mg/kg bw/day for 2-3 days.
  • Alternatively: Albendazole (e.g. Eskazole) 400 mg/day for 3 days.

Literature
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  1. Bravo F et al (2003) New and re-emerging cutaneous infectious diseases in Latin America and other geographic areas. Dermatol Clin 21: 655-668
  2. Caumes E et al (1994) Efficacy of ivermectin in the therapy of larva currens. Arch Dermatol 130: 932
  3. Ly MN et al (2003) Cutaneous Strongyloides stercoralis infection: an unusual presentation. J Am Acad Dermatol 49: S157-160

Disclaimer

Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020