Pre-exposure prophylaxis (PrEP) is a pill that reduces your risk of getting HIV (human immunodeficiency virus). If you have a high enough level of PrEP in your system, it works to stop HIV from getting into your body and making copies of itself. This lowers your chances of getting HIV.

PrEP can only be used by people who do not have HIV. It can be used by anyone who has unprotected sex, regardless of their gender or sexuality. If your partner has HIV and has a detectable viral load, then you can use PrEP too.

You need to start PrEP before you have sex. When taken correctly, it’s extremely effective protection against HIV. But it does not stop you from getting other STIs.

About PrEP

PrEP is very safe and effective protection against HIV. It's available free through the NHS. Anyone who is HIV negative can take PrEP.

How to take PrEP

PrEP can be taken every day or just when you need it. You can choose to take it in the way that works best for you and the sex you have.

PrEP health risks and side effects

PrEP is very safe but you might experience some side effects, like feeling sick, when you first start taking it.

Our PrEP service

Our online PrEP service delivers expert clinical care and PrEP prescriptions, without needing to visit a clinic.

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