HIV and AIDS
HIV (human immunodeficiency virus) is a virus that weakens your immune system and increases your risk of serious illness. There’s currently no cure, but with treatment most people with HIV can live a long and healthy life.
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On this page
- Go to a sexual health clinic if:
- Symptoms of HIV infection
- Causes of HIV infection
- Important
- Blood transfusions and HIV
- How to avoid getting and spreading HIV
- Do
- Don’t
- Go to a sexual health clinic or see a GP if:
- Other ways to get an HIV test
- Testing for HIV infection
- HIV test results
- Treatments for HIV infection
- Anti-HIV medicines
- How HIV affects your life
Medicines commonly prescribed for HIV and AIDS
For informational purposes only. Always consult a doctor before using any medicine.
Dosage form: TABLET, 600 mgActive substance: darunavirManufacturer: Janssen-Cilag International N.VPrescription requiredDosage form: Film‑coated tablet, 200 mg/245 mgActive substance: tenofovir disoproxil and emtricitabineManufacturer: Accord Healthcare S.L.U.Prescription requiredDosage form: TABLET, 200 mg/245 mgActive substance: tenofovir disoproxil and emtricitabineManufacturer: Teva Pharma S.L.U.Prescription required
HIV (human immunodeficiency virus) is a virus that weakens your immune system and increases your risk of serious illness. There’s currently no cure, but with treatment most people with HIV can live a long and healthy life.
AIDS (acquired immune deficiency syndrome) is the name for a collection of serious illnesses caused by the HIV virus.
AIDS is now often called late-stage or advanced HIV. In the UK, most people being treated for HIV do not develop AIDS.
Go to a sexual health clinic if:
- you think you've been exposed to the HIV virus in the last 72 hours
The virus can be spread by having vaginal, anal or oral sex without a condom or by sharing needles with someone who has HIV.
Staff at the clinic should be able to offer you emergency HIV medicine, which may stop you getting infected.
You can also get emergency HIV medicine from your nearest A&E.
Symptoms of HIV infection
The symptoms of HIV are different for everyone.
Some people experience a short flu-like illness around 2 to 6 weeks after HIV infection.
This can include:
- a sore throat
- a high temperature
- swollen glands
- muscle aches and tiredness
- a skin rash
However, these symptoms can also be caused by lots of common conditions.
You may not have any other symptoms of HIV for years. This means many people with HIV do not know they have it.
If HIV is not treated, it damages your immune system and may eventually cause more serious illnesses, such as tuberculosis, pneumonia or cancer. This is known as advanced HIV, late-stage HIV or AIDS.
Causes of HIV infection
HIV is most often spread by having vaginal, anal or oral sex with someone who has HIV, while not using a condom.
This is because HIV is spread by infected body fluids getting into your bloodstream. This includes blood, semen, vaginal fluids and mucus from inside the anus.
It can also be spread:
- by sharing needles, syringes or other equipment for injecting drugs with someone who has a detectable viral load
- by sharing sex toys with someone who has a detectable viral load
- to your baby during pregnancy or birth if you have a detectable viral load
You cannot get HIV from kissing, hugging or shaking hands, or from sharing toilet seats, food, drinks, or normal everyday household items like cups and cutlery.
Important
If you’re having effective treatment for HIV and have an undetectable viral load (an extremely low level of the HIV virus in your blood), you cannot pass the HIV virus onto someone else.
Check if you're at risk of HIV infection
You may be at higher risk of HIV infection if:
- you have a current or previous partner with HIV
- you’re from a country with high HIV rates
- you’re a man who has sex with men without a condom (unprotected sex)
- you’re a woman who has sex with men who have sex with men without a condom
- you’re a trans woman
- you’ve had many sexual partners, engage in high-risk sexual activities, such as chemsex (using drugs to help or enhance sex), or have other sexually transmitted infections
- you inject yourself with recreational drugs
- you’re a sex worker
- you’ve been raped
- you’ve received a blood transfusion or been exposed to infected blood, tissue or bodily fluids in a country that does not have effective HIV screening or safe hygiene practices
If you’re a healthcare professional and accidentally prick yourself with an infected needle at work there’s a possible risk – but it’s very low.
Blood transfusions and HIV
Since 1985, donated blood has been tested for HIV to make sure it’s as safe as possible.
This means the risk of getting any infection from a blood transfusion, including HIV, is very low.
How to avoid getting and spreading HIV
There are things you can do to reduce the risk of HIV infection.
Do
-
take medicine called post-exposure prophylaxis (PEP) if you think you've been exposed to HIV in the last 72 hours – it's available from sexual health clinics and A&E
-
use condoms before and during any sexual contact between the penis, vagina, mouth or anus – condoms are the most effective protection against HIV and other sexually transmitted infections (STIs)
-
use water-based lubricants (such as K-Y jelly) instead of oil-based lubricants (such as Vaseline or massage and baby oil) with condoms – oil-based lubricants can cause condoms to break or tear
Consult with a doctor about HIV and AIDS
Discuss your symptoms and possible next steps with a doctor online.
Don’t
-
do not share needles, syringes, spoons or swabs, drugs or liquids used to dilute drugs – a GP or drug counsellor should be able to advise you about needle exchange programmes
Go to a sexual health clinic or see a GP if:
- you think you've been exposed to the HIV virus more than 72 hours ago
A GP or sexual health professional can offer you an HIV test.
Other ways to get an HIV test
You can also get an HIV test from:
- your nearest A&E, if you’ve been exposed to the HIV virus in the last 72 hours
- some family planning or contraception clinics, also known as sexual health clinics
- some young people’s services (call the national sexual health helpline on 0300 123 7123 for more information)
- antenatal clinics, if you’re pregnant
- local drug dependency services
- private clinics, where you’ll have to pay
Testing for HIV infection
HIV tests use saliva from your mouth or blood from your finger.
If you have an HIV test in a clinic, they’ll usually send the blood or saliva to a laboratory for testing and you’ll get the result within a few days.
If you order an HIV home testing kit, the result is often available within a few minutes. It’s important to use good quality home testing kits from a reliable source.
Make sure the test you buy:
- is clearly marked as being for self-testing
- has a CE mark and the manufacturer details are clearly displayed
- is not damaged and the seal is not broken
Pregnant women are offered an HIV blood test as part of routine antenatal screening for hepatitis B, HIV and syphilis.
HIV test results
If your result is ‘negative’, this means the test has found no signs of HIV infection.
You may be advised to take another test a few weeks later, especially if you may have been exposed to the HIV virus within the last few weeks.
If your result is ‘positive’, this means you could have HIV. You’ll need to have a blood test at a clinic.
If this second test is also positive, you’ll be referred to an HIV clinic for more tests and to discuss your treatment options.
Treatments for HIV infection
There is currently no cure for HIV, but there are treatments to help reduce the amount of HIV in your blood.
You'll be seen at a specialist HIV clinic, where healthcare professionals can discuss your treatment options with you.
Anti-HIV medicines
HIV can be treated with anti-HIV medicines called antiretrovirals. These are tablets that you’ll need to take every day.
The aim is to bring down the amount of HIV in your blood to a level where it can no longer be measured. This is known as an undetectable viral load.
If you're taking daily medicines, it usually takes around 6 months for the virus to be undetectable.
How HIV affects your life
Being diagnosed with HIV can be very worrying and difficult to accept, as it's a lifelong condition.
But it's important to know that with the correct treatment, most people with HIV do not go on to develop AIDS and are able to live a long and healthy life.
Your healthcare team will offer you counselling so you can discuss any concerns.
You'll need to tell your partner and any recent sexual partners who may have been exposed to HIV.
Online doctors for HIV and AIDS
Discuss your symptoms and possible next steps for HIV and AIDS with a doctor online.
