Contact Us

To report an adverse event, product-related problem or human exposure, or for after-hours emergencies, please call 1-866-683-7838.

For all Pet Owner rebate inquiries, please call 1-855-532-1383.

For all other inquiries, email us at Canada.AH@merck.com.

DON’T MISS OUT!

Join thousands of other subscribers who are among the first to receive our updates. Get valuable support beyond products for the species of your choice.