The Medical Letter on Drugs and Therapeutics
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1396
Ivermectin (Sklice) Topical Lotion for Head Lice
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The FDA has approved the antiparasitic drug ivermectin in a 0.5% lotion (Sklice – Sanofi Pasteur) as a single-use topical treatment for head lice in patients ≥6 months old. Oral ivermectin (Stromectol – Merck) is effective for treatment of head lice resistant to other therapies, but it has not been approved by the FDA for this indication.1

MECHANISM OF ACTION — Ivermectin is derived from the fermentation of Streptomyces avermitilis, a soil-dwelling actinomycete. It binds to glutamate-gated chloride channels in invertebrates, inducing paralysis and death in the parasites. Ivermectin lotion 0.5% is not directly ovicidal (hatchability does not decrease), but lice that hatch from treated eggs die within 48 hours after hatching.2

PHARMACOKINETICS — An unpublished study of 20 ... more      

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Title: Ivermectin (Sklice) Topical Lotion for Head Lice
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