Sklice Lotion for Head Lice

Posted by Mark Abramowicz, M.D.

Head lice are an awful nuisance. We’ve come a fair distance from the days of kerosene and shaved heads, but not as far as the parents of long-haired children would like. Malathion, which is probably the most effective treatment available (it is both pediculocidal and ovicidal), is supposed to be left on overnight, smells terrible and is highly flammable (no controlled trials with kerosene). Other agents may kill the lice (not always, because the little pests readily develop resistance), but the egg remnants (nits) still need to be removed, and that takes forever, even with a special comb.

Last year, The Medical Letter reviewed spinosad, which is the active ingredient in a number of garden insecticides sold for about $20 per quart, but costs $262.80 for 4 ounces of a pharmaceutical grade formulation (Natroba). Now we have Sklice, which is a topical formulation of the widely used oral antiparasitic drug ivermectin (Stromectol). According to a press release from the manufacturer (Sanofi), a single 10-minute application of the lotion does the trick, with no need to comb out nits. Like all new drugs, it sounds like the answer to our prayers. Read the current issue (1396) of The Medical Letter to get a more definitive answer.

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  1. I can’t get rid of my daughters head lice. I have tried and tried but know luck. I am hoping Sklice works.

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