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IMPROVING HEALTH
IMPROVING LIVES

With a steady focus on innovation and sound science, we work to deliver vaccines, medications, and consumer and animal health products that can help millions around the world.

The product websites presented here are intended for use in the United States, its territories and Puerto Rico only. Other countries may have different regulatory requirements and review practices that may require referencing different information. If you are a resident of a country other than the United States, please select WORLDWIDE at the top of the page to find information about our offices around the globe.


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PATIENTS & CAREGIVERS

PATIENTS & CAREGIVERS

Take advantage of our comprehensive online medical resources to stay educated and informed.

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HEALTHCARE PROFESSIONALS

HEALTHCARE PROFESSIONALS

Offers direct access to our professional resources.

Healthcare Professionals website

REPORT ADVERSE EXPERIENCE

To report an adverse experience with a specific Merck product, please call the Merck National Service Center at 800-444-2080