The left navigation bar requires Javascript to be enabled. Please enable Javascript on your browser or
use the Site Map
to navigate.
Podcast
RSS
The text resize requires Javascript to be enabled. Please enable Javascript on your browser or use the browser text size controls
Contact Information for US Patients & Caregivers
For Patient Programs
Patient Assistance Program
(800) 727-5400
Prescription Discount Program
(800) 506-3725
Vaccine Assistance Program
(800) 293-3881
To report an adverse experience with a specific Merck product, please call the Merck National Service Center at 800-444-2080
Printer Friendly Page