Media
For media-related inquiries only, please click here to contact a Public Affairs representative.

Consumers
For consumer or patient-related questions, please contact your physician, pharmacist or other health care provider.

Health Care Professionals
If you are a physician, pharmacist or other health care provider and have a question(s) or need information about a specific Merck product or service, please call the Merck National Service center at 1-866-448-7590.