HIV treatment (antiretroviral therapy)
Daily medicine and regular specialist care that keep HIV under control, protect your health and stop the virus being passed on.
✓ Medically reviewed by a GMC-registered consultant · last reviewed September 2026 · next review September 2027 · how we review
In short
- Daily antiretroviral medicine usually makes HIV undetectable, lets most people live a normal lifespan, and means the virus cannot be passed on (U=U).
- Treatment is lifelong and works only if taken consistently; stopping lets the virus return, so support with adherence matters.
- Care also covers side effects, drug interactions, mental health and long-term heart, bone and kidney health — not just the virus.
- HIV treatment and care are free and confidential on the NHS for everyone in the UK, whatever your immigration status.
A plain-English summary. The detail — including risks and recovery — is below.
At a glance
A general guide. Your specialist will give you advice for your situation.
Keeps the virus undetectable, protecting your immune system and long-term health
Treatment is recommended for everyone with HIV, so it is rarely 'not suitable'; the question is which regimen fits best.
You start the medicine and settle into a routine. Early side effects such as nausea or tiredness are common and usually ease; tell your team if they do...
A named specialist HIV team and a clear way to contact them.
You start the medicine and settle into a routine. Early side effects such as nausea or tiredness are common and...
Blood tests track your falling viral load. Your team reviews how you are getting on and adjusts treatment if...
For most people the viral load becomes undetectable, meaning the treatment is working well and HIV cannot be...
Once stable, reviews are usually every 6 to 12 months, checking the virus stays undetectable and looking after...
What is HIV treatment (antiretroviral therapy)?
Antiretroviral therapy (ART) is a combination of medicines, usually taken as a tablet once a day, that stops HIV multiplying in the body. It does not remove the virus completely, but it keeps the amount in your blood (the 'viral load') so low that standard tests cannot detect it.
Keeping the virus undetectable does two powerful things. It protects your own immune system so you can stay well, and it means you cannot pass HIV on to sexual partners — this is known as U=U, 'undetectable equals untransmittable'. Most people who are diagnosed and treated today can expect a normal, healthy life expectancy.
Treatment is recommended for everyone with HIV, usually starting as soon as possible after diagnosis. It is taken for life, because stopping allows the virus to rebound.
HIV care is more than tablets. It includes regular blood tests, support to take medicine consistently, attention to long-term health such as heart, bone and mental wellbeing, and care that is confidential and free on the NHS.
Types, options & approaches
There may be different ways to do this. The right approach depends on the clinical question and your circumstances.
What good HIV care includes
| Part of care | Why it matters |
|---|---|
| Daily medicine | Keeps the virus undetectable and protects health |
| Regular blood tests | Check viral load, immune cells and side effects |
| Adherence support | Helps you take treatment consistently |
| Wider health checks | Heart, bone, kidney, mental and sexual health |
Care is shared between you and a specialist HIV team, and is confidential and free on the NHS.
Preparing for your treatment
- Treatment is usually recommended for everyone with HIV; ask your specialist about starting as soon as possible after diagnosis.
- Bring a full list of your other medicines, including anything from a pharmacy, herbal remedies and recreational drugs, as HIV medicines can interact with many of these.
- Tell your team about other conditions such as hepatitis B or C, kidney or liver problems, mental health or pregnancy plans, as these guide the choice of regimen.
- Discuss how a once-daily tablet, or a long-acting injection, would fit your life and how you will remember it.
- Ask about baseline blood tests (including a resistance test) done before or around the time you start.
- Talk through confidentiality, who you want to know, and what support is available to you.
- If you are negative but a partner has HIV, ask about PrEP for yourself and how U=U protects you both.
What happens
After diagnosis, a specialist HIV team takes baseline blood tests, including your viral load and CD4 count (a measure of immune-system strength) and a test to check the virus is not resistant to certain drugs. Together you choose a regimen that fits your health and your life.
You start taking the medicine, usually one tablet a day. Over the following weeks and months the viral load falls, and for most people becomes undetectable within about six months.
You are then seen regularly, often every few months at first and less often once things are stable. At each visit your viral load and general health are checked, side effects are reviewed and any questions are answered.
If a regimen does not suit you, or the virus is not fully controlled, your team can switch you to a different combination.
Is this treatment right for me?
A good consultation should explore whether it's the right choice for you now — including reasons to wait or consider something else.
May not be suitable if…
- Treatment is recommended for everyone with HIV, so it is rarely 'not suitable'; the question is which regimen fits best.
- A particular drug may be avoided because of resistance, kidney or liver problems, pregnancy or interactions.
- Long-acting injections are not right for everyone and depend on the virus being well controlled and on practical attendance.
- Self-directed stopping or 'treatment breaks' are not advised, as the virus rebounds and resistance can develop.
Delay or rearrange if…
- Rarely, starting is briefly sequenced around a serious opportunistic infection or tuberculosis, on specialist advice.
- A regimen choice may wait for a resistance-test result in some situations.
- Pregnancy or breastfeeding changes the choice of medicines and is planned with the specialist team.
- Significant drug interactions need sorting out before adding or changing medicines.
Alternatives to discuss
- Different antiretroviral combinations if one does not suit you
- A single-tablet regimen versus multiple tablets
- Long-acting injectable treatment for some people instead of daily tablets
- Switching medicines to manage side effects or interactions
- There is no safe 'no treatment' alternative, as untreated HIV damages health over time
Before you decide
Use this as a shared-decision checklist. The aim is not just “can this be done?”, but whether it is right for you, now, with the risks and alternatives clearly understood.
What matters most to me?
Think about symptoms, daily life, work, caring responsibilities, sport, fertility, travel, appearance and anxiety — the right choice depends on your priorities, not just the medical facts.
What are all my options?
Ask about waiting, monitoring, medicines, rehabilitation, a smaller or larger procedure, a different test, NHS referral, or a second opinion where that would help.
What would make me pause?
Active infection, pregnancy, unstable medical problems, smoking, medicines that increase bleeding, poor support at home, or feeling pressured are all reasons to slow down and get tailored advice.
What happens if I do nothing today?
For some problems, waiting is safe; for others, delay can make treatment harder. A good consultation should explain the trade-off in plain English.
Benefits
- Keeps the virus undetectable, protecting your immune system and long-term health
- Allows most people to live a normal, healthy lifespan
- Means you cannot pass HIV on to sexual partners once the virus is undetectable (U=U)
- Reduces the risk of HIV-related illnesses and some cancers
- Can be a single daily tablet or, for some, a long-acting injection
- Delivered as confidential, free NHS care
Risks & complications
- Mild, often temporary side effects when starting, such as nausea, headache, tiredness or disturbed sleep
- Needing to take medicine reliably every day (or attend for injections) for life
- Regular blood tests and clinic visits
- Interactions with other medicines, supplements or recreational drugs that need adjusting
- Changes in cholesterol, weight, kidney or bone health that need monitoring
- Needing to switch to a different combination because of side effects or tolerability
- Low mood or anxiety, which the team can help with
- The virus becoming resistant if doses are frequently missed
- Serious drug reactions, including rare hypersensitivity to specific medicines
- An exaggerated immune reaction (immune reconstitution) soon after starting, usually if treatment begins when the immune system is very weak
Most modern regimens are well tolerated, and side effects can often be managed by switching medicines. The two things that matter most are taking treatment consistently and telling your team about every other medicine or supplement you use, because interactions are common. Never stop treatment suddenly without specialist advice.
Published figures to discuss
Outcomes on modern treatment are very good, but they depend heavily on taking medicine consistently, on baseline immune health and on other conditions. Side-effect rates differ between regimens, and some risks (such as resistance) relate mainly to missed doses rather than the drugs themselves. We have not quoted specific percentages here because they vary by regimen, by how early treatment starts and by individual circumstances; your specialist can discuss figures relevant to your situation.
| Figure | Reported range | How to interpret it | Source / confidence |
|---|---|---|---|
| Viral suppression on modern ART | Expected for most people with adherence | Treatment success depends on taking medication consistently and monitoring viral load. | Guide sourcesClinical context |
| Sexual transmission when viral load is undetectable | Effectively zero / U=U | People who achieve and maintain an undetectable viral load do not sexually transmit HIV, but ongoing monitoring is needed. | Guide sourcesClinical context |
| Drug resistance | Usually linked to missed doses, interactions or prior resistance | Resistance testing, adherence support and avoiding unplanned interruptions protect future treatment options. | Guide sourcesClinical context |
| Opportunistic infections | Highest with low CD4 count or late diagnosis | Late presentation may need additional infection screening, prophylaxis and closer follow-up. | NHS — HIV and AIDS: Treatmentnhs.ukSource-linked context |
These are literature figures, not a personalised prediction. Your own risks and likely benefits depend on your circumstances, your health, and how your care is carried out and followed up.
What happens afterwards
Antiretroviral therapy is an ongoing treatment, not a one-off event, so 'afterwards' means how your health responds over the first months and how care continues for life.
- Some nausea, headache, vivid dreams or tiredness in the first weeks that usually settles
- Adjusting to a daily routine of taking medicine
- Reassuring blood results showing the viral load falling and then becoming undetectable
- Feeling well in yourself even though treatment continues for life
Aftercare
- Take your medicine exactly as prescribed, at a time that fits your daily routine.
- Use reminders, a pill box or an app if that helps you not to miss doses.
- Tell every doctor, dentist or pharmacist that you take HIV medicine so interactions are checked before anything new is started.
- Attend your blood tests and clinic reviews, even when you feel completely well.
- Report troublesome side effects rather than stopping treatment yourself.
- Look after your heart, bones and mental health with the wider checks your team offers.
- Use confidential support services if you need help with adherence, disclosure or wellbeing.
- A reliable system for taking medicine daily (alarm, pill box or app)
- An up-to-date list of all your other medicines and supplements
- Your clinic's contact details and next appointment saved
- A plan for getting repeat prescriptions before you run out
- Knowledge of which side effects to report
- A trusted person or support line for questions about living with HIV
⚠ Get urgent help if…
- A serious rash, fever, mouth sores or blistering after starting a new medicine — this may be a drug reaction and needs urgent advice.
- Severe or persistent vomiting that stops you keeping medicine down.
- Yellow skin or eyes, dark urine or severe tummy pain (possible liver problem).
- New breathlessness, chest pain or swelling that could suggest another problem.
- Thoughts of harming yourself or severe low mood — seek help straight away.
- Repeatedly missing doses or running out of medicine — contact your clinic before there is a gap.
Who to contact: your clinician, clinic or test provider first (keep their number to hand). For urgent advice when you can't reach them, call NHS 111. In an emergency, call 999.
General guidance — it doesn't replace the specific advice your specialist gives you.
Results & realistic expectations
A good result is a viral load that becomes and stays undetectable, usually within about six months of starting. This means HIV is well controlled, your immune system can recover, and you cannot pass the virus on to sexual partners.
Undetectable does not mean cured — the virus is still present but suppressed — so treatment continues for life. With consistent treatment, most people stay well and have a normal life expectancy.
HIV treatment works for as long as it is taken consistently. Stopping allows the virus to rebound within weeks and can lead to resistance, so treatment is lifelong. Over the years your team may update your regimen as better-tolerated or simpler options become available, and will keep an eye on long-term heart, bone, kidney and mental health.
Related tests, treatments or support
HIV care often runs alongside treatment or monitoring for hepatitis B and hepatitis C, screening and treatment for latent tuberculosis, vaccinations, and sexual-health care. Some HIV medicines also treat hepatitis B, so your team coordinates these. Tell them about any other treatment so interactions are managed.
Follow-up & long-term care
After starting, you are usually reviewed within a few weeks, then every few months while things settle, and every 6 to 12 months once stable. Reviews check your viral load and CD4 count, monitor for side effects and look after your wider health. Your specialist team is your point of contact for any concerns, and care is confidential.
- Take treatment every day for life, exactly as prescribed.
- Attend regular blood tests and reviews even when well.
- Keep an up-to-date medicines list and check interactions before starting anything new.
- Have recommended vaccinations and wider health checks.
- Order repeat prescriptions in good time to avoid gaps.
- Discuss any wish to change regimen with your specialist rather than stopping.
Repeat, follow-on and what comes next
- Switching regimens is common and normal, to improve tolerability, simplify dosing or manage interactions.
- If the virus is not fully suppressed, resistance testing guides a change of combination.
- Treatment is lifelong; 'stopping' is not a goal, and breaks risk rebound and resistance.
- Regimens are often updated over the years as better-tolerated options appear.
Ask what happens if the result is unclear or needs repeating, and what is included if further tests or follow-up are needed.
What good aftercare looks like
- A named specialist HIV team and a clear way to contact them.
- Regular viral load and CD4 monitoring with results explained plainly.
- Proactive support with adherence, mental health and disclosure.
- Attention to wider health: heart, bones, kidneys, vaccinations and other infections.
- Confidential, non-judgemental care and signposting to peer support.
What affects the cost
Costs vary a great deal between people and providers, and we don't publish prices. What matters is understanding what drives the cost and making sure your quote is complete. The main things that affect it:
- On the NHS there is no cost to the patient for HIV treatment or care
- Privately, the choice and number of medicines in the regimen
- Whether a long-acting injectable is used, which needs clinic visits to administer
- Frequency of specialist review and blood-test monitoring
- Additional care for other conditions such as hepatitis or mental health
- Pharmacy and prescription arrangements
- Confirmation that NHS HIV care is free and how to access it
- If private, exactly which medicines and monitoring are included
- How often specialist reviews and blood tests are included
- Whether long-acting injection administration is covered
- How repeat prescriptions and out-of-hours advice are handled
- What happens if treatment needs changing or a complication occurs
On the NHS? HIV treatment and care are free and confidential on the NHS for everyone in the UK, whatever their immigration status; private care is uncommon and the NHS is the main route.
You're entitled to your total cost in writing — including reports, follow-up and what happens if the result is inconclusive — before you decide.
Consent traps and marketing red flags
These are not small details. They are often where patients lose choice, time to reflect, or realistic expectations.
Consent traps
- Not explaining that treatment is lifelong and that stopping lets the virus rebound.
- Failing to check for interactions with other medicines, supplements or recreational drugs.
- Not discussing U=U and what it means for relationships and family planning.
- Overlooking long-term heart, bone, kidney and mental-health monitoring.
- Not making clear that NHS HIV care is free and confidential.
Marketing red flags
- Any claim of a 'cure' for HIV from standard treatment.
- Promoting an expensive private regimen when free NHS care is available.
- Suggesting treatment breaks or 'detox' from antiretrovirals.
- Downplaying the need for adherence or for interaction checks.
Choosing a specialist safely
- Check the specialist is on the GMC Specialist Register for this area.
- Make sure they work at a CQC-registered service, and look for membership of the relevant Royal College or professional body.
- You're entitled to time to consider and to have your questions answered before you agree — the specialist who looks after you should explain it, not a salesperson.
- Be wary of pressure: time-limited offers or deposits taken before you've had time to think are red flags, not bargains.
- You're entitled to your total cost in writing — including any follow-up — before you decide.
Questions to ask your medical professional
Take this to your consultation. A good specialist will welcome every one of these.
- Which regimen do you recommend for me, and why does it suit my health and lifestyle?
- How soon should I start, and when would you expect my viral load to be undetectable?
- What side effects should I look out for, and what should I do if I get them?
- Could this interact with my other medicines, supplements or recreational drugs?
- Would a long-acting injection be an option for me instead of daily tablets?
- How often will I be seen, and how do I contact you between appointments?
- What does U=U mean for my relationships and family plans?
- Are you on the GMC Specialist Register for this area, and which Royal College or professional body are you a member of?
- Will you be the specialist who carries out my treatment, and who looks after me afterwards?
- What are the risks for someone like me, and how often do your own patients have a problem or need it repeated or redone?
- What does a realistic result look like — and what can this treatment not achieve?
- What are my options, including waiting, doing nothing for now, or choosing a different approach?
- Can I have written information, results and aftercare instructions in a format I can use, including any accessibility or communication support I need?
- What is the total cost in writing, including any follow-ups, and how much time do I have to decide?
Frequently asked questions
Is HIV treatment free on the NHS?
Does treatment mean I cannot pass HIV on?
Will I have to take tablets forever?
Will HIV shorten my life?
What if I get side effects?
Can I have children?
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How we made this page
Medically reviewed by a GMC-registered consultant. Written in plain English, checked against NHS, NICE, GMC and relevant Royal College / specialist-society guidance, and kept under review. No clinic paid to appear on this page, and we publish no pricing. This is general information to help you prepare — it is not a substitute for advice from your own clinician. How we review our guides →
Source hierarchy: UK regulator and NHS/NICE guidance first, then relevant Royal College or specialist-society guidance, then peer-reviewed evidence for procedure-specific figures where available.
Sources & standards: NHS — HIV and AIDS: Treatment BHIVA — Guidelines on antiretroviral treatment for adults living with HIV-1 BHIVA — Universal promotion of Undetectable=Untransmittable (U=U) Terrence Higgins Trust — Can't Pass It On (U=U) BHIVA — Standards of care for people living with HIV NHS — HIV and AIDS overview
Reviews reflect patients' experience of care, not clinical outcomes. For procedure volumes and outcome data see PHIN.
Last medically reviewed 2026-09-21. Spotted something wrong or out of date? Report an error in this guide.
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