Search Box

U.S. Food and Drug Administration

FDA Purple Book

Follow the Division of Drug Information on Twitter

To follow DDI’s on twitter handle (@FDA_Drug_Info), click on the following link “@FDA_Drug_Info” or copy/paste the following URL into your browser: www.twitter.com/FDA_Drug_Info. Once you are on the DDI Twitter page, click Follow.

Email Updates

To stay up to date, subscribe to the 'CDER New' email list by following the webpage instructions. 

Helpful Links