04/06/2026
Protect your furry friend from head to tail with the only monthly chewable that
offers the broadest* parasite protection against six types of parasites: ticks, fleas,
heartworms, roundworms, hookworms† and tapeworms. Schedule your next vet visit
with us to learn more about this new parasite protection.
Credelio Quattro, Elanco and the diagonal bar logo are trademarks of Elanco or its
affiliates. PM-US-24-2087
Indications: Credelio Quattro is indicated for the prevention of heartworm disease
and the treatment and control of roundworm, hookworm† and tapeworm infections.
Credelio Quattro kills adult fleas and is indicated for the treatment and prevention of
flea infestations and the treatment and control of tick infestations for 1 month in
dogs and puppies 8 weeks of age and older and weighing 3.3 pounds or greater.
Important Safety Information: Lotilaner, an ingredient in Credelio Quattro, belongs
to the isoxazoline class and has been associated with neurologic adverse reactions
like tremors, ataxia, and seizures even in dogs without a history of seizures. Use with
caution in dogs with a history of seizures or neurologic disorders. Dogs should be
tested for existing heartworm infections before Credelio Quattro administration as it
is not effective against adult D. immitis. The safe use in breeding, pregnant, or
lactating dogs has not been evaluated. The most frequently reported adverse
reactions in clinical trials were vomiting and diarrhea. For complete safety
information, please see Credelio Quattro product label or ask your veterinarian.
*Based on the number of parasite types covered in a chewable that targets ticks,
fleas, heartworm disease, roundworms, hookworms (Uncinaria stenocephala), and
tapeworms
†Uncinaria stenocephala