PEP (sometimes called PrEP) stands for Post Exposure Prophylaxis. 

It is a treatment that may prevent the HIV virus from taking hold after it has entered the body - if the medicine is taken as soon as possible and within 72 hours.

If you think you need this treatment or have questions you can call the FREE Eddystone number: 0800 328 3508, visit our dedicated information page for PEP, or watch our Quickie with all of the key facts about this treatment:

For a more detailed fact sheet about the treatment from AIDS.GOV click here.