MerckProductServices - Customer Service

Customer Service > Live Product Discussion

Customer Service

Representatives are currently unavailable for live product discussions. Normal operating hours are:

Monday–Thursday 8:00 AM–8:00 PM ET
Friday 8:00 AM–6:00 PM ET
(Hours subject to change for holidays.)

Please try again during normal business hours to connect with a Merck OnCall® representative

Request samples and vouchers for select Merck products

Obtain the latest product information for select Merck products

Have access to relevant clinical articles

Request educational materials for your patients

Receive assistance with registration for Merck eMedical Forums

Get answers to questions about diseases relevant to select Merck products

You can also choose one of our other customer service options.

Adverse Event Reporting

If this is an emergency or you wish to report an adverse event with a specific Merck product, please call the Merck National Service Center at any time at:
1-866-342-5683

Frequently Asked Questions

Technical Support

Or call…
1-800-489-5119

All product names listed on this site are registered trademarks owned by or licensed to a subsidiary of Merck & Co., Inc.
MerckProductServices, MerckServices, MerckSource, Merck OnCall, MerckMedicus, and MerckEngage are trademarks or registered trademarks of Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc.