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
U.S. Merck Animal Health Customer Service and Sales Inquiries
U.S. Allflex Identification
U.S. Livestock Monitoring
Business Development
Merck Animal Health Ventures
Suppliers / Financial Inquiries
To inquire about invoice and payment issues, please visit our site for suppliers.
financesupport@merck.com
Merck Animal Health Media Relations
For Animal Health media questions:
ahglobalmedia@merck.com
For general media questions:
mediarelations@merck.com