10/19/2026
Fast Facts
The FDA is alerting pet owners and veterinarians of the potential for neurologic adverse events in dogs and cats when treated with drugs that are in the isoxazoline class.
Affected Products
• Bravecto (fluralaner)
• Credelio (lotilaner)
• NexGard & NexGard COMBO (afoxolaner / esafoxolaner)
• Simparica (sarolaner)
• Revolution Plus (selamectin and sarolaner)
This is why Collar Companion exists - it is a safe and natural option for your pet.
https://www.fda.gov/animal-veterinary/animal-health-literacy/fact-sheet-pet-owners-and-veterinarians-about-potential-adverse-events-associated-isoxazoline-flea?fbclid=IwY2xjawVDG-5leHRuA2FlbQIxMQBwZG9mBXNydGMGYXBwX2lkEDIyMjAzOTE3ODgyMDA4OTIAAR4kB1LC8uDFuOLmdj0CWVlo0mf6GH3ckiN_SV4gkIV74EKOHWsJBLpr-inwWg_aem_lhKAkI-9yyYV9XmMLi_m_Q
FDA fact sheet about potential neurologic adverse events in dogs and cats when treated with the flea and tick drugs Bravecto, Credelio, Nexgard, or Simparica.