Get 6 in 1 parasite protection** with Credelio Quattro™Credelio Quattro is the first and only prescription tablet that protects against ticks, fleas, heartworm disease, and three intestinal worms that can be passed to humans — tapeworms, roundworms, and hookworms†.
** 𝘛𝘪𝘤𝘬𝘴, 𝘧𝘭𝘦𝘢𝘴, 𝘩𝘦𝘢𝘳𝘵𝘸𝘰𝘳𝘮 𝘥𝘪𝘴𝘦𝘢𝘴𝘦, 𝘳𝘰𝘶𝘯𝘥𝘸𝘰𝘳𝘮𝘴, 𝘩𝘰𝘰𝘬𝘸𝘰𝘳𝘮𝘴 (𝘜𝘯𝘤𝘪𝘯𝘢𝘳𝘪𝘢 𝘴𝘵𝘦𝘯𝘰𝘤𝘦𝘱𝘩𝘢𝘭𝘢), 𝘢𝘯𝘥 𝘵𝘢𝘱𝘦𝘸𝘰𝘳𝘮𝘴
Tough on Parasites, Gentle on DogsMade with active ingredients that are tough on parasites, including praziquantel, which is proven to kill 100% of tapeworms.
Works Fast Where It CountsCredelio Quattro contains lotilaner that kills ticks1 twice as fast^ as sarolaner in Simparica Trio® and afoxolaner in NexGard®2.
^ 𝘉𝘢𝘴𝘦𝘥 𝘰𝘯 𝘵𝘩𝘦 𝘵𝘪𝘮𝘦 𝘵𝘰 𝘴𝘵𝘢𝘵𝘪𝘴𝘵𝘪𝘤𝘢𝘭 𝘴𝘪𝘨𝘯𝘪𝘧𝘪𝘤𝘢𝘯𝘤𝘦 𝘷𝘴. 𝘤𝘰𝘯𝘵𝘳𝘰𝘭 𝘪𝘯 𝘢 𝘴𝘵𝘶𝘥𝘺 𝘰𝘯 𝘋𝘢𝘺 21 𝘢𝘯𝘥 𝘋𝘢𝘺 28 𝘧𝘰𝘳 𝘳𝘦𝘪𝘯𝘧𝘦𝘴𝘵𝘢𝘵𝘪𝘰𝘯𝘴.
1 𝘈𝘮𝘣𝘭𝘺𝘰𝘮𝘮𝘢 𝘢𝘮𝘦𝘳𝘪𝘤𝘢𝘯𝘶𝘮 (𝘭𝘰𝘯𝘦 𝘴𝘵𝘢𝘳 𝘵𝘪𝘤𝘬)
Convenient Chewable TabletCredelio Quattro comes in a chewable tablet that protects your dog all month long. It’s also meat-allergy-friendly3 and tasty. In fact, Credelio Quattro was accepted by nearly 9 out of 10 dogs.
Available by prescription only for dogs at least 8 weeks old and weighing at least 3.3 lbs.
Your vet will prescribe the right tablet size for your dog.
See why the broadest* parasite protection of its kind matters
Zoonotic diseases — infections that can spread between animals and humans — can affect the health of your whole family. That’s why Credelio Quattro covers your dog from common intestinal parasites that pose the greatest zoonotic risk: roundworms, hookworms† and multiple species of tapeworms that other brands may skip.
See the Credelio Quattro Difference
 | ||
|---|---|---|
| Protects against tapeworms | ||
| Broadest* parasite protection of its kind covering 6 types of parasites in a chewable tablet | ||
| Contains lotilaner, which kill ticks¹ 2x as fast^ as sarolaner in Simparica Trio and afoxolaner in NexGard² |
|  Simparica Trio |  NexGard PLUS | |
|---|---|---|---|
| Protects against tapeworms | |||
| Broadest* parasite protection of its kind covering 6 types of parasites in a chewable tablet | |||
| Contains lotilaner, which kill ticks¹ 2x as fast^ as sarolaner in Simparica Trio and afoxolaner in NexGard² |
Based on label comparisons
*Based on label comparison of the number of parasite types covered in a chewable that covers ticks.
Save When Purchasing Credelio Quattro™
Get $30 off of 6 doses and $65 off of 12 doses.
Use the code CQ2025 to claim your rebate.
Learn why protection against more parasite types than other brands of its kind* is better
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.
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, 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.
†Uncinaria stenocephala
