To contact Merck Animal Health, please type your message in the text box below and click on "Submit" to send us an e-mail. We will respond to you within 2-3 working days. Please be sure to include your name, address and phone number in order to allow us to assist you in the best possible manner.
Our Corporate Headquarters
Merck Animal Health
2 Giralda Farms
Madison, NJ 07940
To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services:
800-224-5318 Companion Animal (Dogs, Cats)
800-211-3573 Livestock & Aquaculture (Cattle, Swine, Dairy)
866-349-3497 Equine Technical Services
Normal business hours are 8:30 am to 5:00 pm EST.
For after-hours emergencies, please call the numbers shown above. A recorded message will provide the telephone numbers for emergency support services if immediate assistance is needed.