Virbac USA veterinary site
Note, content for veterinary professionals only.

EFFIPRO PLUS® Topical Solution (fipronil and pyriproxyfen) for Dogs

Break the flea life cycle with Pyriproxyfen.

  • Kills adult fleas, flea eggs, flea larvae, ticks, and chewing lice
  • The “PLUS” is pyriproxyfen (PPF) for prevention of flea infestations
    • PPF stops immature fleas (flea eggs and flea larvae) from developing
  • Quick-acting, long-lasting
    • Effective after bathing, shampooing, water immersion or sunlight exposure
  • Easy-to-apply, waterproof single application that lasts for up to 4 weeks
  • Dog topical solution cannot be applied on cats, as it could lead to death


EFFIPRO PLUS® Topical Solution for Dogs: Do not use on cats.  Read entire label before each use.