Contact us

Merck Animal Health
Corporate Headquarters

Our corporate headquarters is located at: 

126 East Lincoln Avenue 
P.O. Box 2000 
Rahway, NJ 07065 USA 

To reach a Merck employee, please call:
 
1-908-740-4000 
Monday – Friday, 8:30 am – 5:30 pm ET

For Animal Health information and contact information outside the U.S.:

For Animal Health information in U.S.:

U.S. Products & Services and Adverse Event Reporting

For information about Merck Animal Health’s products and services including the reporting of an adverse event or product quality complaint with a specific Merck Animal Health product, please call:

Companion Animal Technical Services: 
800-224-5318 
uscompanionpv@merck.com

Equine Technical Services 
866-349-3497 
usequinepv@merck.com

Livestock Technical Services 
800-211-3573 
uslivestockpv@merck.com

Suppliers / Financial Inquiries

To inquire about invoice and payment issues, please visit our site for suppliers.  

financesupport@merck.com

Visit our supplier support site

Merck Animal Health Media Relations

For Animal Health media questions: 
ahglobalmedia@merck.com 

For general media questions: 
mediarelations@merck.com

Merck Human Health

We aspire to be the premier research-intensive biopharmaceutical company.   

We’re at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals.

Learn More