General Inquiries
For general questions regarding MSD, please call 787-474-8094

Patients & Caregivers
If you have questions relating to MSD prescription products, your medical condition or personal health matters, please contact your physician or healthcare provider since he or she is most familiar with your medical condition. MSD cannot respond to questions about general medical information or information regarding your specific condition.

Healthcare Professionals
For physicians, pharmacists, or other healthcare providers who need information about a specific MSD product or service, please call 1-800-609-4618.

Careers
For questions and comments about working at MSD, please call 787-474-8098.
To learn more about Open Positions and to submit your resume, please visit the Careers section.

Press
For members of the media who would like to make an inquiry, please call 787-474-8094. To learn more about the company and view the Backgrounders, please visit the Newsroom  or Spanish Newsroom  for the spanish version.