Elanco Animal Well being Introduces First Oral Flea and Tick Product for Cats, Credelio® CAT (lotilaner)

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GREENFIELD, Ind .– (BUSINESS WIRE) – Veterinarians in the US now have a new, innovative option for flea and tick control as Elanco Animal Health Incorporated (NYSE: ELAN) launches Credelio Cat, the first oral flea and tick product for cats.

Credelio Cat starts killing fleas in cats within 6 hours. The small, chewable product maintains fast-acting, long-lasting flea efficacy in cats 8 weeks and older. Credelio Cat also protects cats from 6 months old against black-legged ticks all month long. Black-legged ticks are the most common type of tick in cats in the United States1

“Indoor cats are also at risk from fleas and ticks,” says Dr. Tony Rumschlag, Senior Director, Technical Consulting. “It’s great to have a unique flea and tick option for cat owners who prefer oral delivery or want to try something other than topical. Credelio Cat, which uses the active ingredient Lotilaner, has been shown to be safe and effective when used according to the instructions on the label to kill fleas in cats aged 8 weeks and over weighing 2 pounds or more, so veterinarians should advise Prescribing their patients can feel comfortable. ”

While oral administration has been a challenge in the past, Credelio Cat was specifically designed for cats to ensure that its vanilla and yeast smell and taste are appealing.2 The product was approved by 99.5% of cat owners in a US field study successfully administered. 3

Credelio Cat has been approved by the US Food and Drug Administration (FDA) and complements Elanco’s growing animal health portfolio, which includes solutions in parasiticides, pain management, vaccines, internal medicine, oncology and dermatology.

For more information about Credelio Cat and Elanco’s cat health portfolio, please visit: https://www.elanco.us/products-services/cats/credelio-cat


Credelio CAT kills adult fleas and is indicated for the treatment and prevention of flea infestations in cats and kittens 8 weeks of age and older and weighing 2 pounds or more for one month.

Credelio CAT is also indicated for the treatment and control of black leg tick infestations for one month in cats and kittens 6 months of age and weighing 2 pounds or more.

important safety notice

Lotilaner belongs to the isoxazoline class. This class has been associated with neurological side effects such as tremors, incoordination, and seizures. Neurological side effects have been reported in cats receiving isoxazoline-class drugs, including in cats with no history of neurological disease. Use with caution in cats with a history of neurological disorders. The safety of Credelio CAT has not been established in breeding, pregnant and lactating cats. The effectiveness of Credelio CAT against black-legged ticks in kittens under 6 months of age has not been studied. The most commonly reported side effects are weight loss, rapid breathing, and vomiting. Refer to the Credelio CAT product label or ask your veterinarian for complete safety information.


Elanco Animal Health Incorporated (NYSE: ELAN) is a global leader in animal health, committed to innovating and delivering products and services for the prevention and treatment of diseases in farmed animals and pets, and adding value to farmers, pet owners, and veterinarians , Stakeholders and society creates a whole. With nearly 70 years of animal health experience, we are committed to helping our customers improve the health of the animals they care while making a meaningful impact on our local and global communities. At Elanco, we are driven by our vision of Food and Companionship Enriching Life and our Elanco Healthy Purpose ™ Sustainability / ESG Promises – all to promote the health of animals, people and the planet. Learn more at www.elanco.com.

1Little SE, Barrett AW, Nagamori Y, et al. Ticks from cats in the United States: Patterns of Infestation and Infection with Pathogens. Veterinarian parasite. 2018; 257:15.

2Toutain CE, Seewald W, Jung M. Pharmacokinetics of Lotilaner after single oral or intravenous administration in cats. Parasite vector. 2018; 11: 412.

3Chappell K, Paarlberg T, Seewald W, et al. A randomized, controlled field study evaluating the efficacy and safety of lotilan-flavored chewable tablets (Credelio ™ CAT) in eliminating fleas in cats owned by customers in the United States. Parasite vector. 2021; 14: 127.

Credelio, Elanco and the diagonal bar logo are trademarks of Elanco or its affiliates. © 2021 Elanco or its affiliates. PM-US-21-1141