Go to site For Pet Owners

Other companion animal products

Merck Animal Health is a leader in research and dedicated to the development, production, and marketing of innovative, high-quality animal health products. Our innovative portfolio includes vaccines for pets, livestock, poultry, and aquaculture use; antiparasitics, anti-infectives, endocrine products, diagnostics, feed additives, and productivity enhancers.

Some of our leading companion animal brands include Nobivac® vaccines, Activyl®, Incurin® (estriol) Tablets, Mometamax® (gentamicin sulfate, USP, mometasonefuroate monohydrate and clotrimazole, USP Otic Suspension), Scalibor®, Tri-Heart® Plus (ivermectin/pyrantel), Leventa® (levothyroxine sodium), HomeAgain®, and more.

For more information about these or other Merck Animal Health products, visit our website at