How can I protect myself and others from HIV?

Use condoms correctly every time you have sex – it’s the best way to prevent HIV, other STIs and unplanned pregnancy. Condoms prevent HIV during all kinds of sex – vaginal, anal, oral and when using sex toys. 

Use water-based lubricants (lube) to make sex safer by reducing the risk of tears or damage to the vagina or anus caused by dryness or friction. It also reduces the risk of a condom breaking. 

In some places pre-exposure prophylaxis (PrEP) is available. PrEP is a pill taken by HIV-negative people to prevent HIV. It contains antiretroviral drugs that stop the virus from taking hold in your body. Taking PrEP correctly will reduce your risk of getting HIV to almost zero. 

Take your treatment every day as prescribed by your doctor to reduce the chance of passing HIV on to anyone you have sex with. 

Many people with HIV will find that their treatment is so effective it reduces the level of the virus to such an extent that it cannot be detected by normal blood tests. When this happens, it is known as being undetectable and there is no risk of passing on HIV. 

Avoid sharing needles, syringes and other injecting equipment like spoons or swabs, as this exposes you to HIV and other viruses found in the blood like hepatitis C. 

In some countries, used needles can be exchanged for clean ones at pharmacies and needle exchanges. 

Take your treatment every day as prescribed by your doctor to dramatically reduce the chance of passing HIV to your baby during pregnancy, childbirth and breastfeeding. 

Testing regularly for HIV is the only way to know your status, meaning you can get treatment if you need it. 

Knowing your status means that you can look after your health and the sexual health of your partners by taking antiretroviral treatment (ARVs) and using protection, such as condoms or PrEP, when you have sex. 

If you are worried you have been exposed to HIV you may be able to get post- exposure prophylaxis (PEP), a 4-week course of ARV drugs taken after possible HIV exposure to prevent HIV infection. You must start PEP within 72 hours of possible exposure to be effective.  

Voluntary medical male circumcision (VMMC) is the removal of the foreskin from a person’s penis. 

It reduces the chance of a man getting HIV from having sex with a woman. Circumcised boys and men must also use other HIV prevention methods when having sex - for example condoms or PrEP. This is because VMMC only reduces the risk - it does not completely eliminate it. 

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It’s easy to get confused with these three. All three contain antiretroviral drugs and all three are important in preventing HIV but they are used in different ways. 

Post-exposure prophylaxis (PEP) is emergency treatment to prevent HIV. You can take PEP after possible exposure to HIV to prevent infection. 

Pre-exposure prophylaxis (PrEP) is a course of HIV drugs taken by HIV-negative people to protect them against HIV infection. You can take PrEP for periods of time when you may be at higher risk of HIV infection.    

Antiretroviral treatment (ART) keeps HIV under control if you have tested positive. Taking antiretrovirals (ARVs) every day as prescribed by your doctor will protect your immune system so that you can stay healthy. Treatment can also reduce the levels of the virus in your body to such an extent that you cannot pass on HIV during sex. 

There is currently no vaccine to stop you getting HIV. You need to use condoms or PrEP and avoid sharing injecting equipment to prevent HIV. 

Researchers have been trying to find a vaccine for HIV for many years. There have been clinical trials where vaccines have been given to people but none have so far been effective.