For US Healthcare Professionals
Sign In
User name    (Forgotten?)

Password     (Forgotten?)


 Remember me

You can use your MerckMedicus user name and password.

Need to Register?

Complimentary resources such as patient educational materials, disease management tools, slide sets, journal reprints, and more are available for the following product(s):

JANUVIA® (sitagliptin) tablets

This is not a complete list of Merck products. For a full listing of Merck products, please visit Prescribing Information for all Merck Products.

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.

Contact Us

Ask a Product-Related Question or Report an Adverse Event
Let us assist you with information and services related to Merck and its products.
Get Started

The Merck National Service Center will be pleased to assist you Monday–Friday from 8:00 AM–7:00 PM ET. Adverse events and product-related emergencies will be handled at any time.

Get site technical support, or call 1-800-489-5119, for site technical issues.

NOND-1013321-0005 11/11