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. 

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