| Insecticides used for seed treatments in crops include diazinon, lindane, imidacloprid, permethrin, chlorpyrifos, and tefluthrin. |
| If the infestation is severe, topically administered permethrin, pyrethrin, or malathion also may help. |
| If you use permethrin as a repellant, use it only on clothing and never on skin. |
| Common treatments for head lice include permethrin and lindane. |
| It has been suggested that the combination of pyridostigmine bromide, DEET, and permethrin contributed to Gulf War-related illnesses. |
| Allethrin, the first synthetic pyrethroid, was developed 50 years ago, and permethrin was used for treating body lice over 20 years ago. |
