Contact Merck Animal Health Customer Care

Have a question or issue that needs our attention? Simply fill out the form below and our Customer Care team will get back to you as soon as possible.

Before submitting your inquiry, please check our Frequently Asked Questions to see if your question has already been answered.

To report an adverse reaction, product-related problem or human exposure, please call Merck Animal Health Technical Services.

Companion Animal Technical Services – Dogs & Cats: 800-224-5318
Livestock Technical Services – Cattle, Swine, Poultry, and Aquaculture: 800-211-3573
Equine Technical Services: 866-349-3497
For after-hours emergencies: Call the appropriate number listed above and follow the prompts.

Merck Animal Health eShop Frequently Asked Questions (FAQs)

If you need assistance with anything from logging in to making a payment, check our FAQs to help with any inquires you may have when using our eShop. If you can’t find what you’re looking for or need further help, contact our Customer Care Team by using the form above.

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