Slideshows Images Quizzes

Copyright © 2018 by RxList Inc. RxList does not provide medical advice, diagnosis or treatment. See additional information.

Definition of Post-exposure prophylaxis

Post-exposure prophylaxis: A treatment administered following exposure to a harmful agent which attempts to block or reduce injury or infection. Prophylaxis means a defense or protection.

Post-exposure prophylaxis (PEP), for example, might concern the treatment of a health care worker exposed by a needle stick to HIV with a drug such as AZT to protect them from being infected with HIV.

Reviewed on 12/27/2018

Health Solutions From Our Sponsors