Not Found
Locations
Brought to you by

Find information on animal health topics, written for the veterinary professional.

Contact Us

Contact the Merck Vet Manual Staff

We welcome your feedback. When contacting us, please include the country where you currently reside.

Contact the Merck Vet Manual

Adverse Event Reporting

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 (Cattle, Swine, Poultry & Aquaculture)

866-349-3497  Equine (Horses)

888-466-3242  HomeAgain

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 telephone numbers for emergency support services if immediate assistance is needed.