![]() ![]() “It’s an endocrine-disrupting compound," he says. It’s also important to follow the instructions on the label to ensure you’re using the pesticide as safely as possible, says Michael Hansen, PhD, a senior scientist at Consumer Reports. (Because permethrin is a pesticide, the Environmental Protection Agency regulates its use.) If you don’t, you could be violating federal law, Conlon says. The most important thing to remember when spraying your clothing with permethrin is that you must follow the instructions on the product label. Manufacturers of permethrin spray for clothing note that because the spray is meant only for fabric and not for skin, for full protection people also need to use an insect repellent on their exposed skin. In one 2020 study of outdoor workers in Rhode Island and Massachusetts, there were a total of 60 tick bites over two years among the 40 workers who used permethrin-treated clothing, compared with 166 tick bites among the 42 workers who didn’t use treated clothing. But other research shows permethrin can be effective against ticks. The shirts we sprayed with deet didn’t cause any knockdowns, however, because no bugs ever landed on them.Īnd what about ticks? Consumer Reports’ testing hasn’t evaluated how well permethrin-treated clothing works against ticks. The permethrin-treated clothing also resulted in “knockdowns,” meaning mosquitoes were incapacitated or killed after contact with the clothing. “It’s like they landed on an electric grid.” Permethrin is “very irritating to ,” says Joe Conlon, a former Navy entomologist and former technical adviser to the American Mosquito Control Association. A shirt we sprayed with a deet-based repellent, meanwhile, kept mosquitoes from biting and kept them from even landing, something none of the permethrin-treated clothing items did. ![]() Two types we tested in 2016 kept mosquitoes from biting, but two didn’t. The treatment of scabies: A systematic review of randomized controlled trials.A number of studies have found that permethrin-treated clothing can help protect against mosquito bites, though results may differ depending on a variety of factors, such as the species of mosquito, the way the clothing is treated and laundered, and the level of pesticide-resistance among the mosquitoes.Ĭonsumer Reports has also tested several brands of clothing pretreated with permethrin to find out how well they worked at stopping mosquitoes from biting. You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. avoiding touching any unwashable materials, such as carpets or couches, for 72 hours after treatment.taking items that it is not possible to clean in this way to a dry cleaners.washing all clothes, bedding, and towels that a person with scabies has used in hot water, and then drying them on a hot cycle.Other ways to prevent scabies from returning include: Where possible, everyone should use the treatment at the same time to stop scabies from coming back. ![]() When someone has it, they should make sure that everyone in their household and any sexual partners treat themselves for the condition. If someone spots mites in their skin 14 days after using the cream, they should speak to a doctor. The itching tends to get less severe within about 24 hours, but people might still be itchy for up to 4 weeks after using the cream. Usually, people only need to use this treatment once. If an infant or a young child has scabies, parents or caregivers should also apply the cream to their head. massage the cream into the skin, starting at the neck and moving down to the soles of the feet.They only contain 1% permethrin, and people use them to treat head lice. People can buy OTC products that contain permethrin, but these are not strong enough to treat scabies. ![]() The most commonly used scabicide drug is a cream that contains 5% permethrin. Doctors prescribe a class of medicines called scabicides to kill the mites and their eggs. ![]()
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