Cutaneous Larva Migrans Medication
- Author: Lydia A Juzych, MD; Chief Editor: Dirk M Elston, MD more...
Medication Summary
Thiabendazole is currently considered the agent of choice in cutaneous larva migrans (CLM). Topical application is used for early, localized lesions. The oral route is preferred for widespread lesions or unsuccessful topical treatment of cutaneous larva migrans.[13] Other effective alternative treatments include albendazole, mebendazole, and ivermectin.[10] The treatment course of cutaneous larva migrans includes decreased pruritus within 24-48 hours and lesions/tracts resolve in 1 week. Antibiotics are indicated in secondary bacterial superinfections if they occur. As alternative therapy, use liquid nitrogen cryotherapy for progressive end of larval burrow.
Anthelmintics
Class Summary
Parasite biochemical pathways are sufficiently different from the human host to allow selective interference by chemotherapeutic agents in relatively small doses.
Thiabendazole (Mintezol)
DOC. Inhibits helminth-specific fumarate reductase, which inhibits microtubule formation, leading to impaired glucose uptake and inhibition of malate dehydrogenase. Third-generation heterocyclic anthelmintic.
Ivermectin (Stromectol)
Semisynthetic macrocyclic lactone antiparasitic agent with broad-spectrum action against nematodes by producing flaccid paralysis through binding of glutamate-gated chloride ion channels. May become DOC because of safety, low toxicity, and single dosing, which enhance patient compliance.
Albendazole (Albenza)
Broad-spectrum benzimidazole carbamate anthelmintic that acts by interfering with glucose uptake and disrupting microtubule aggregation. Use as alternative to thiabendazole.
Mebendazole (Vermox)
Broad-spectrum anthelmintic that inhibits microtubule assembly and irreversibly blocks glucose uptake, thereby depleting the parasites' glycogen stores. Has shown some efficacy in treating CLM.
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