Credelio Quattro™ for Dogs | Monthly Chewable Tablet

Get the Broadest Parasite Protection of its Kind*
Credelio Quattro makes it easy to protect the ones you love.

It covers ticks, fleas, heartworm disease, and three intestinal worms that can be passed to humans — tapeworms, roundworms, and hookworms.

^{*Based on label comparison of the number of parasite types covered in a chewable that targets ticks}
Tough on Parasites, Gentle on Dogs
Made with active ingredients that are tough on parasites, including praziquantel, which is proven to kill 100% of tapeworms.²

^²^{D caninum}^,^{Taenia pisiformis}^and^{Echinococcus granulosus}
Works Fast Where It Counts
Credelio Quattro kills >99% of fleas within 8 hours, and it kills ≥97% of ticks within 48 hours.
Convenient Chewable Tablet
Credelio Quattro comes in a tasty, beef-flavored chewable that’s administered once a month. It’s also meat-allergy-friendly¹ for sensitive dogs.

You might have questions. We definitely have answers.

: Credelio Quattro covers six types of parasites, unlike other chewable brands that only cover five. Those six types of parasites include ticks, fleas, heartworm, roundworms, hookworms and tapeworms. That means monthly Credelio Quattro provides your dog broader* protection in a single chewable than all other chewable brands.

*Based on label comparison of number of parasite types covered.
: Yes. Your veterinarian can prescribe the dose that best fits your dog. Talk to your veterinarian today about Credelio Quattro.
: Credelio Quattro starts to kill ticks (Ixodes ricinus) and fleas in just 4 hours. Credelio Quattro kills >99% of fleas within 8 hours of administration and remains effective for an entire month.
: You can begin using Credelio Quattro with puppies as young as 8 weeks old weighing at least 3.3 lbs.
: No. Credelio Quattro is not safe for cats. For protection designed for cats, check out Credelio® CAT.
: If a dose is missed, a new dose should be given immediately. If vomiting occurs within an hour after administration, re-administer a new dose. Then, continue on the prescribed monthly dosing schedule.
: Talk to your veterinarian about switching to Credelio Quattro from another preventive medication to ensure your dog is protected through the process.
: Credelio Quattro should be given to your dog with food or within 30 minutes of a meal on a monthly basis.
: Yes. Crafted for sensitive dogs, Credelio Quattro comes in a tasty beef-flavored chewable that's meat-allergen free¹.
¹Elanco Animal Health. Data on file.

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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.

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Learn how your dog may benefit from broad parasite protection

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, 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 the Credelio Quattro product label or ask your veterinarian.

You might have questions. We definitely have answers.

How is Credelio Quattro different from other chewables?

Do I need a prescription for Credelio Quattro?

How fast does Credelio Quattro work against ticks and fleas?

How old does my dog have to be to use Credelio Quattro? How much should they weigh?

Can I give Credelio Quattro to my cat?

What if I forgot to give Credelio Quattro to my dog. What should I do?

How do I switch from another heartworm medication or flea and tick medication?

How do I administer Credelio Quattro?

Can Credelio Quattro be given to dogs with food allergies?

Save When Purchasing Credelio Quattro™

Learn how your dog may benefit from broad parasite protection