The FDA is alerting pet owners and veterinarians of the potential for neurologic adverse events in dogs and cats when treated with flea and tick drugs that are in the isoxazoline class, including Bravecto, Credelio, Nexgard, or Simparica. — Read on www.fda.gov/animal-veterinary/animal-health-literacy/fact-sheet-pet-owners-and-veterinarians-about-potential-adverse-events-associated-isoxazoline-flea