Products

Merck Animal Health is committed to protecting the health of animals and supporting a safe and affordable food supply. Through our broad portfolio of vaccines, therapeutic medicines, parasiticides, and technology solutions, we help veterinarians, pet owners, farmers, and producers maintain and improve the health of animals.

News Releases

Study Reveals Dog Owners and Veterinarians See Challenges in Treating Allergic Skin Disease, Highlighting a Need for a Targeted Rapid Onset Treatment for Dogs of All Ages

Merck Animal Health, known as MSD Animal Health outside of the United States and Canada, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.

News Releases

Merck Animal Health Reinforces Commitment to Help Protect U.S. Livestock from New World Screwworm Threat

Merck Animal Health, known as MSD Animal Health outside of the United States and Canada, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today reaffirmed its ongoing commitment to supporting the cattle industry in its response to the growing threat of New World screwworm (NWS) following confirmation of the first case in U.S. cattle, underscoring the continued need for industry-wide collaboration to combat this devastating parasite. As a leader in livestock health, Merck Animal Health has been on the forefront of developing innovative medicines for the prevention and treatment of NWS, facilitating information sharing and conversation, and providing educational resources for the livestock industry.

News Releases

In Observance of Mental Health Awareness Month, Merck Animal Health Announces Inaugural Veterinary Wellbeing Collective to Help Advance Veterinary Wellbeing

Merck Animal Health, known as MSD Animal Health outside of the United States and Canada, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.

News Releases

FDA Approves BRAVECTO® QUANTUM (fluralaner for extended-release injectable suspension) from Merck Animal Health to Treat and Control Asian Longhorned Tick and Gulf Coast Tick for 12 Months in Dogs

Merck Animal Health, known as MSD Animal Health outside of the United States and Canada, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.

News Releases

FDA Approves NUMELVI™ (atinvicitinib tablets) for Dogs from Merck Animal Health – The First and Only Second-Generation Janus Kinase (JAK) Inhibitor for the Control of Pruritus Associated with Allergic Dermatitis

Merck Animal Health, known as MSD Animal Health outside of the United States and Canada, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.

News Releases

Merck Animal Health Wins 2025 S&P Global Award in Best Product and Best Product Companion Animal Food Animal Categories for NUMELVI and INNOVAX® ND-IBD-ILT, Respectively

S&P Global Animal Health awarded NUMELVI® Best Companion Animal Product and INNOVAX® ND-ILT-IBD Best Food Animal Product. This is the 8th consecutive year that Merck Animal Health earned an S&P Global Award and the first time a company has won the Best Product Companion Animal and Best Product Food Animal awards in the same year.

IPPE 2026

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De Soto, Kansas, Animal Health Manufacturing Site

At Merck, known as MSD outside of the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the world.

Companion Animal

State-of-the-art products and services that help pets live longer, healthier lives.

News Releases

FDA Conditionally Approves Merck Animal Health’s EXZOLT™ CATTLE-CA1 for the Prevention and Treatment of New World Screwworm (Cochliomyia hominivorax) Larvae (myiasis)

Merck Animal Health, known as MSD Animal Health outside of the United States and Canada, a division of Merck & Co., Inc., Rahway, N.J., USA (NYSE:MRK), today announced the U.S. Food and Drug Administration (FDA) has granted a conditional approval for EXZOLT™ CATTLE-CA1 (fluralaner topical solution). This innovative product is in the newest class of parasiticides known as isoxazolines.

Sustainability

Investing in science-backed solutions that make a real and meaningful impact in protecting and preserving the future of our planet.