When to Use an EpiPen (VIDEO) National Jewish Health This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption National Jewish Health pediatric allergist Kirsten Carel, MD, explains when to use an EpiPen to administer epinephrine for a severe allergic reaction. Credit National Jewish Health Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.