This insecticide can help prevent some mosquito and tick bites. But you must use it properly. Permethrin-treated clothing—designed to kill or disable bugs upon contact—has been available to ...

Overview: Permethrin is applied to the skin as a cream or lotion. It is used to treat certain conditions caused by tiny insects, such as scabies and head lice. The most common side effect is a ...

Some medical practitioners recommend pesticide treatments containing permethrin, pyrethrin, or malathion. These therapies have been the first line of treatment for head lice since World War II.