Consumer Reports suggests latest techniques to treat lice

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Many parents know getting rid of your kids' head lice can be a real headache. But before you rush to the pharmacy for treatments, Consumer Reports reveals lice-killing alternatives that are safe and more effective.

Many parents know getting rid of your kids' head lice can be a real headache. But before you rush to the pharmacy for treatments, Consumer Reports reveals lice-killing alternatives that are safe and more effective.

Months after her daughter came home from school infested with head lice, Krystine Rodriguez still checks to make sure she is lice-free.

"I went to the pharmacy. I asked the pharmacy what was the best treatment to give and at the time they mentioned nix," she said.

Rodriguez uses Nix, one of the insecticides recommended by doctors and the American Aacademy of Pediatrics.

But, research published by the Journal of Medical Entomology has found that over 98 percent of lice in the U.S. are resistant to the insecticides in the popular over-the-counter treatments such as Nix and Rid.

"Lice have built up resistance to pyrethrum and permethrin, the main ingredients in these products, because of genetic mutations," explained Dr. Michael Hansen, Consumer Reports Senior Scientist.

Getting rid of lice is tricky. You not only have to remove the live bugs, but also kill the eggs and nits, something the products don't always do.

"The chemicals on the market don't kill 100 percent of the eggs and they can pose some health risks," he said.

Consumer Reports reached out to the makers of Nix and Rid. Nix says its active ingredient is still recommended by the American Academy of Pediatrics. Rid did not respond.

So what is the best way to get rid of these pests?

Consumer Reports' experts say the best method is to physically remove the lice and their eggs by using a lubricant such as a hair conditioner or olive oil, and using a fine-toothed metal comb to go through the entire head.

"The space in the metal combs has to be small enough to allow a single hair to go through them, but not an egg," he said.

Part the hair into very small sections and use a paper towel to wipe the small comb in between passings. When finished, wash or rinse the hair. Repeat this every day until no live lice or eggs are found.

To prevent lice from spreading, check everyone at home. Also soak combs and brushes in very hot water for 5 to 10 minutes. And wash or dry clothing and bed linens at temperatures higher than 130 degrees Fahrenheit.

The heat kills stray lice and nits. seal anything that isn't washable in a plastic bag for two weeks, enough time to kill the lice.

Consumer Reports is published by Consumers Union. Both Consumer Reports and Consumers Union are not-for-profit organizations that accept no advertising. Neither has any commercial relationship with any advertiser or sponsor on this site.

(All Consumer Reports Material Copyright 2014. Consumers Union of U.S. Inc. ALL RIGHTS RESERVED.)
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