How Often To Give Dog Frontline Plus For Lice?

How Often To Give Dog Frontline Plus For Lice? When used monthly, Frontline Plus completely breaks the flea life cycle and controls tick and chewing lice infestations. Do reapply Frontline Plus for 30 days. Frontline is approved for use on all dogs, including breeding, pregnant, and lactating bitches and puppies as young as 8 weeks.