Pyrethrins Home>Pharmacy>Drugs_and_Medications>P>Pyrethrins     Web Pages Rid lice A parent's guide on eliminating head lice, and preventing their spread. Banlice Headlice Solutions Information to help families and school communities beat the bugs and eliminate headlice. MEDLINEplus: Pyrethrins and Piperonyl Butoxide Features information about usage and precautions. DrugDigest: Pyrethrin and Piperonyl Butoxide (RID) FAQ for consumers in html format.