* 1-800-PetMeds. 1-800-PetMeds 1 (800-738-6337) 1 (800-738-6337) Live Chat. * Sign In. * Cart 0. ... What is Comfortis (spinosad)? Comfortis: Chewable Flea Treatment - Petco

FDA-approved, Comfortis is the highly recommended prescription flea-only medication for cats and dogs. Comfortis comes in a yummy, Comfortis Flea Chewable Tabs for Dogs and Cats - PetCareRx

: Offers 6-month supplies for various weight ranges, with prices typically around $124.69 to $131.79 .

: Features "Autoship" discounts that can save you up to 50% on your first prescription order. Key Purchase Details Comfortis 6pk Dogs 5-10 lbs or Cats 4.1-6 lbs | 1800PetMeds

from the following retailers after your vet provides a prescription:

Comfortis for cats can be purchased from several reputable online retailers, though it from a licensed veterinarian in the United States. While some older sources suggested it might be discontinued, it remains available at major pet pharmacies as of early 2026. Where to Buy Comfortis You can order