Important: This website provides general information about the Seresto® collar for informational purposes only. It is not veterinary advice. Always consult a licensed veterinarian before using any parasite control product on your pet.
Information on this Site — including product descriptions, benefits, and FAQs — is provided for general reference. It is not a substitute for professional veterinary diagnosis, treatment, or advice. If you have any concerns about your pet's health or the suitability of a specific product, consult a licensed veterinarian.
Every Seresto® collar ships with a manufacturer's package insert prepared by Elanco. Read it fully before use. It contains:
Consult your veterinarian before using Seresto® on your pet if:
As with any parasite-control product, some pets may experience:
If your pet shows unusual symptoms, remove the collar and consult your veterinarian.
Adverse events must be reported to the manufacturer to support ongoing product safety monitoring:
Elanco Animal Health
Adverse events & safety reports: 1-800-255-6826
Website: elanco.com/en-us/contact-us
You may also report to the US EPA at epa.gov/pets.
Product performance depends on factors including your pet's environment, exposure level, individual physiology, and adherence to proper fitting and replacement schedules. No parasite-control product is 100% effective in every case. Continue routine tick checks after outdoor activity.
Testimonials, reviews, and results shared on this Site reflect the experience of individual customers. Results are not guaranteed and may vary. We make no medical or curative claims beyond what is stated on the manufacturer's approved product labeling.
If your pet appears to be experiencing a medical emergency, contact your veterinarian or the nearest emergency veterinary clinic immediately. You may also call the ASPCA Animal Poison Control Center at 1-888-426-4435 (a consultation fee may apply).