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Save When Purchasing Credelio Quattro™

Get $25 off of 6 doses and $65 off of 12 doses.
Use the code CQ2026 to claim your rebate.

Calling all Quattro dogs!

Want a chance to get your paws on a FREE swag box and the chance to get your pup featured in a national media campaign? Click the button below to learn more about our Quattro Dog Contest and how to enter your furry friend!


Find Credelio Quattro™ Near You!

Ready to make your dog a Quattro Dog? Below you'll find veterinary clinics in your area that carry and prescribe Credelio Quattro. Contact a clinic today to see if Credelio Quattro is right for your dog.

Indications for Credelio Quattro

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. Credelio Quattro is indicated for the prevention of Lyme disease infections as a direct result of killing black-legged ticks.


Important Safety Information for Credelio Quattro

Lotilaner, an ingredient in Credelio Quattro, belongs to the isoxazoline class and has been associated with neurologic adverse reactions like tremors, incoordination, 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 heartworms. 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 the Credelio Quattro product label or ask your veterinarian.

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