Cookies on the Bupa website

We use cookies to help us understand ease of use and relevance of content. This ensures that we can give you the best experience on our website. If you continue, we'll assume that you are happy to receive cookies for this purpose. Find out more about cookies



Prostate cancer

Prostate cancer is an abnormal and uncontrolled growth of cells found in your prostate gland. It’s the most common cancer in men in the UK.

Your prostate gland is about the size of a walnut and lies at the base of your bladder. The main function of your prostate gland is to produce fluid that makes up part of your semen.

Your prostate surrounds your urethra – the tube that carries urine from your bladder and out through your penis. If your prostate gets larger, it can press on this tube, making it difficult for you to pass urine.

Each year, about 35,000 men in the UK are diagnosed with prostate cancer, making it the most common cancer in men. About six out of 10 men diagnosed with prostate cancer are aged 65 and over.

Prostate cancer is different from most other cancers because small growths of cancer inside the prostate are very common and can be harmless for many years. It’s thought that one in eight men may have cancer cells in their prostate at some point in their lives. However, these cells usually grow very slowly, and for many men, never cause any problems.

In others, however, the cells may grow more rapidly. Sometimes, cancer cells spread outside of the prostate gland to another part of your body and form a new tumour called a secondary tumour. The spread of cancer is called metastasis. Prostate cancer most commonly spreads to the bones.

Read more Close
How cancer develops
Cells begin to grow in an uncontrolled way
An image showing the position of the prostate gland and surrounding structures


  • Symptoms Symptoms of prostate cancer

    The symptoms of prostate cancer are similar to those produced by a common benign (non-cancerous) condition called benign prostatic hyperplasia. This is where your prostate becomes enlarged.

    You may have:

    • difficulty passing urine
    • a sudden need to pass urine
    • a frequent need to pass urine
    • a need to pass urine during the night
    • blood in your urine or semen
    • pain when passing urine
    • difficulty getting an erection (erectile dysfunction)

    Although these symptoms aren't always caused by prostate cancer, if you have them, see your GP.

    If prostate cancer spreads to other parts of your body, other symptoms can develop, such as:

    • tiredness and feeling generally unwell
    • pain in your bones
    • weight loss

    Bupa On Demand

    Want to talk to a Bupa consultant? We’ll aim to get you seen the next day.

  • Diagnosis Diagnosis of prostate cancer

    Your GP will ask about your symptoms and will ask to examine you. He or she may ask you to have some of the following tests.

    • A digital rectal examination (DRE) – a physical examination of your prostate. Your doctor will feel your prostate through the wall of your rectum (back passage). If you have prostate cancer, it may feel harder than usual, or knobbly.
    • A blood test to measure the amount of prostate specific antigen (PSA) in your blood. PSA is a protein that is made by both normal and cancerous prostate cells. The test can be unreliable as a high PSA level doesn't always mean that you have cancer – it can be caused by other prostate conditions.

    Depending on the results of these tests, your GP may refer you to a urologist for further tests. A urologist is a doctor who specialises in identifying and treating conditions of the urinary system. Your urologist may suggest you have the following tests.

    • A prostate biopsy. A biopsy is a small sample of tissue. This will be sent to a laboratory for testing to determine the type of cells and if these or cancerous or not.
    • An ultrasound to examine your prostate gland, using a small device inserted into your rectum. 
    • If these tests suggest you have prostate cancer, you may be offered some scans. These may include CTMRI and bone scans to help your doctor see whether your cancer has spread, and if so, how far.
  • Treatment Treatment of prostate cancer

    There are a number of treatment options for prostate cancer, as described below. The treatments you’re offered will depend on your personal circumstances. This might include your overall health, your risk of getting side-effects from the treatment, whether the cancer has spread, and if so, how far. Your PSA level and Gleason score can also help your doctor plan the best course of treatment for you. The Gleason score is a grading system that allows doctors to predict how quickly your tumour may grow and spread. For more information about the Gleason score, see our FAQs section.

    Your doctor will discuss your treatment options with you to help you make a decision that’s right for you. Your decision will be based on your doctor’s expert opinion and your own personal values and preferences.

    Watchful waiting

    Some men with prostate cancer have a tumour that grows very slowly and doesn’t cause any symptoms. If this is the case, your doctor may suggest monitoring your cancer with regular check-ups, but not treating you straight away. This is called watchful waiting. Your doctor may also suggest this if you have another health condition which means you’re not well enough to have certain treatments, such as surgery.

    The aim of watchful waiting is to avoid or delay treatment until you need it. This means that you will only be offered treatment if you start to show signs that your condition is progressing.

    If your cancer shows signs of growing or starts to cause symptoms, your doctor may suggest treatment to control it and manage your symptoms. For example, you may be offered treatment with hormones. The aim of this treatment is to slow the growth of your cancer and manage any symptoms you may develop. This treatment aims to ease your symptoms rather than cure it.

    Active surveillance

    Active surveillance is similar to watchful waiting in that you choose not to have treatment straight away. However, your doctor will monitor you more closely than with watchful waiting. The aim of active surveillance is to treat and get rid of your cancer as soon as it shows signs of progressing.

    During active surveillance your doctor will ask you to have regular blood tests to check your PSA levels. He or she may also ask you to have regular examinations of your prostate. You should also be offered a biopsy after one year of active surveillance. A biopsy is a small sample of tissue. This will be sent to a laboratory for testing to determine the types of cell and if these are benign (not cancerous) or cancerous. Having these tests means that if your cancer starts to grow, your doctor will pick this up quickly and offer you treatment straight away.

    If your cancer shows signs of progressing, your doctor may recommend that you have treatment aimed at getting rid of your cancer. For example, you may be offered surgery or radiotherapy.


    An operation to remove your prostate gland is, along with radiotherapy, one of the main treatments for prostate cancer. You may be offered surgery if you’re otherwise healthy and if your cancer hasn't spread beyond your prostate.

    Surgery to remove the whole of your prostate is called a radical prostatectomy. Your surgeon may do this by making a cut in your abdomen (tummy), or by doing keyhole surgery, which uses smaller cuts. Because technology has advanced so much, there are many different ways of removing your prostate during surgery. Your doctor will talk to you about your treatment options.

    Sometimes, if part of the cancer is pressing on your urethra, you may be offered an operation called transurethral resection of the prostate (TURP). This can help relieve your symptoms and make it easier for you to pass urine.

    Some men also have their testicles removed (an orchidectomy). Your testicles produce the hormone testosterone and your tumour needs this to grow. Removing your testicles lowers the amount of testosterone in your blood which helps to control the cancer and shrink the tumour. This treatment isn’t used very often as there are now hormone treatments that can do this without the need for surgery.


    Radiotherapy is a commonly used treatment for prostate cancer. You may be offered radiotherapy to treat prostate cancer that hasn’t spread outside the prostate gland. You may also be offered radiotherapy to treat cancer that has spread and to control any pain. Radiotherapy uses radiation to destroy the cancer cells. A beam of radiation is targeted on the cancerous cells, which shrinks the tumour. This is known as external beam radiotherapy. This treatment is usually given in daily doses over four to eight weeks. You can also have radiotherapy by having radioactive seeds or wires placed into your prostate gland – this is known as brachytherapy. However, this treatment may not be suitable for everyone and your doctor will discuss your treatment options with you.

    Hormone therapy and other medicines

    Hormone therapy blocks the action of testosterone. This can slow the growth of prostate tumours. You may be offered this type of treatment to reduce the risk of early prostate cancer coming back after you’ve had treatment. You may also be offered hormone therapy to shrink an advanced prostate tumour.

    Chemotherapy uses medicines to destroy cancer cells. Your doctor may suggest chemotherapy if the cancer has spread to other parts of your body. It can also be used if hormone therapy isn’t working.

    If the above treatments don’t help, you may be offered treatment with other medicines such as abiraterone or enzalutamide. However, the availability of the medicines can vary depending on your personal circumstances. Speak to your doctor if you’d like more information about your treatment options.

    Experimental treatments

    If you have cancer that hasn’t spread beyond your prostate, your doctor may offer you certain newer treatments as part of a clinical trial. These include the following.

    • High-intensity focused ultrasound (HIFU). This uses high-intensity ultrasound energy to heat and destroy cancer cells in your prostate gland.
    • Cryotherapy. This destroys cancer cells in your prostate by freezing them.

    Research into how well these treatments work is still ongoing. As with any treatment, there are various side-effects associated with HIFU and cryotherapy. Your doctor will explain the risks and benefits of these treatments to you.

    Deciding on treatment

    It’s your choice whether or not to have any treatment. It’s important to realise that many treatments for prostate cancer carry the risk of side-effects. These may include loss of libido, urinary incontinence and problems with getting and keeping an erection (erectile dysfunction). There may also be other side-effects specific to each treatment. Ask your doctor to explain these to you, so you can weigh up the risks and benefits of your treatment options.

    You might be able to take part in a clinical trial as new treatments become available and are tested. If you’d like to know more about this, ask your doctor for information about clinical trials.

  • Worried about prostate cancer?

    Get a picture of your current health and potential future health risks with a Bupa health assessment. Find out more today.

  • Causes Causes of prostate cancer

    The exact reasons why you may develop prostate cancer aren't fully understood. But you're more likely to develop it if:

    • you're over 50
    • you have close relatives who have had prostate cancer, for example your father or brother
    • several women in your family have had breast cancer – you may have inherited a gene which can increase your risk of prostate cancer
    • you're black Caribbean or black African
  • Prevention Prevention of prostate cancer

    Research suggests that you may be able to reduce your risk of developing prostate cancer by making certain lifestyle changes. These include stopping smoking and exercising regularly. You should aim to do at least 30 minutes of physical activity five days a week.

    Some research studies suggest that a eating a diet rich in tomatoes may reduce your risk of getting prostate cancer. However, more research is needed to investigate how strong the link between tomatoes and prostate cancer is. But the good news is, we do know that eating plenty of fruit and veg is important for your general good health.

  • FAQs FAQs

    I have a high PSA level. Does that mean I have prostate cancer?


    You may be offered a blood test to measure your prostate-specific antigen (PSA) level. This can help to diagnose prostate cancer, although other tests are also needed. However, having a high PSA level doesn't necessarily mean you have prostate cancer – it can be raised for several other reasons.


    PSA is a protein produced by both normal and cancerous cells in your prostate. It’s measured with a blood test. It’s normal for all men to have a small amount of PSA in their blood.

    PSA levels vary from person to person. Your GP may advise you to have further tests if:

    • you’re aged 50 to 59 and have a PSA level of 3ng/ml or higher
    • you’re aged 60 to 69 and have a PSA level of 4ng/ml or higher 
    • you’re aged over 70 and have a PSA level of 5ng/ml or higher

    A high PSA level doesn't necessarily mean that you have prostate cancer. The level can be raised for several other reasons, such as:

    • an enlarged prostate
    • prostatitis – inflammation of your prostate
    • a urinary tract infection
    • your age
    • recent intensive exercise
    • a recent prostate biopsy
    • some medicines
    • recent ejaculation

    Two out of three men with a raised PSA level don’t have prostate cancer. However, in general, the higher your PSA level is, the more likely you are to have prostate cancer.

    Occasionally, the PSA test can miss prostate cancer. It’s possible that you can be diagnosed with prostate cancer and have a normal PSA level. Because the PSA test doesn’t always pick up prostate cancer, you may be offered further tests to confirm your diagnosis.

    PSA blood tests are also used to monitor the growth of a prostate tumour and how well you’re responding to your treatment. If your PSA levels begin to rise, you may be offered treatment.

    What is the Gleason score? How does it grade prostate cancer?


    The Gleason score is a grading system that allows doctors to predict how quickly your tumour may grow and spread outside of your prostate. This information is often used to plan your treatment.


    The Gleason score is a grading system for prostate cancer. It looks at cells from your prostate to predict how your tumour will grow. If you have a biopsy, a small sample of tissue will be taken from your prostate and sent to a laboratory for testing and grading. Usually, more than one sample will be taken during your biopsy.

    Grading is done by looking at the patterns of cancer cells under a microscope. There are five different types of pattern, which are graded with a number out of five. Grade one and two aren’t cancer. A score of three means your cancer isn’t very likely to grow quickly, whereas a score of five means your cancer is more likely to grow quickly.

    All the biopsy samples taken are graded, then the two most frequently occurring patterns and the highest grade are added together. The total is called a Gleason score, and this will be a number between two and 10.

    The lower the score, the less likely it is that your cancer will spread. Gleason scores are usually six or higher. Tumours that score highly are more likely to grow quickly and spread to other parts of your body. A high score is between eight and 10.

    The Gleason score acts as a guide for your doctor to help him or her plan the best course of treatment for you. However, your doctor will also take into account your PSA level and information about whether your cancer has spread or not.

    If you have any questions about prostate cancer or the Gleason score, talk to your doctor.

    Will treatment for prostate cancer affect my sex life?


    Treatment for prostate cancer can affect your sex life. How it's affected will depend on the type of treatment you have.


    Treatment for prostate cancer can affect your sex life in different ways. Some of the sexual problems caused by treatment are temporary and many can be treated. Being diagnosed with cancer can affect how you feel about having sex and your relationship with your partner. However, it’s important to remember you can’t pass cancer on to your partner during sex. Talk to your doctor or nurse if you’d like more information about this.

    Erectile dysfunction is a side-effect of treatment for prostate cancer. This is when you can't get or keep an erection. Erectile dysfunction can be caused by:

    • radiotherapy to your prostate
    • surgery, such as a radical prostatectomy (surgery to remove the whole of your prostate) or orchidectomy (an operation to remove your testicles) 
    • some types of hormone therapy

    Erectile dysfunction is often temporary, but it can be permanent, especially if you’ve had a radical prostatectomy. Sometimes it improves once you’ve finished your treatment – for example, if you have hormone therapy. With other treatments, such as radiotherapy, erectile problems may not occur until several years after treatment.

    If you have problems getting an erection, there are a number of different treatments that might help, such as medicines, a vacuum pump or injections. Talk to your doctor to find out what options are available to you.

    Some men find that they have a lower sex drive after treatment. This is usually caused by an orchidectomy or hormone therapy, which leads to a lower level of the hormone testosterone. Sometimes changing to a different type of hormone therapy can help.

    Treatment can also affect the type of orgasm you have. After a radical prostatectomy, you will always have a dry orgasm. This means that when you ejaculate, no semen will come out. The strength of your orgasm and your ability to have one may be affected.

    Cancer treatments can also affect your fertility. If you plan to have a family, your sperm can usually be collected before treatment. It can then be used later for artificial insemination or in vitro fertilisation (IVF) treatments.

    If you're worried about how treatment for prostate cancer will affect your sex life, talk to your doctor.

    Why isn't there a national screening programme for prostate cancer?


    In the UK, there isn't currently a screening programme for prostate cancer. This is because of concerns about how reliable the prostate-specific antigen (PSA) test is. Scientists don’t know for sure whether getting diagnosed early has any effect on how your condition progresses. If you're concerned about prostate cancer, speak to your GP.


    The most commonly used test to check for prostate cancer is called a PSA test. It involves a blood test to measure the levels of a protein called PSA. This is produced by both normal and cancerous cells in your prostate.

    The PSA test isn’t used to screen for prostate cancer in the UK. This is because it isn’t a reliable test for diagnosing prostate cancer. There can be many reasons why you may have a high PSA level, and these aren't always linked to prostate cancer. Different factors, such as getting older or a urinary infection, can raise your PSA level. Also, a screening programme that uses PSA levels to test for prostate cancer could mean that men who have a slow growing cancer may have unnecessary treatment. You can also have a normal PSA level even if you do have prostate cancer.

    Although there isn’t a screening programme, the NHS runs an informed choice programme, called Prostate Cancer Risk Management. Your GP can provide you with information about the PSA test and prostate cancer. This will help you to decide whether or not to get the test.

  • Resources Resources

    Further information


    • Martin EA. Oxford colour medical dictionary. 3rd ed. Oxford: Oxford University Press; 2002:564
    • Wingerd B. The human body: concepts of anatomy and physiology. 3rd ed UK: Lippincott Williams & Wilkins; 2013: 66, 443−5
    • What is prostate cancer? Prostate Cancer Foundation., accessed 27 January 2014
    • Prostate cancer. Diagnosis and treatment. National Institute for Health and Care Excellence (NICE), 2014.
    • Prostate cancer. NICE Clinical Knowledge Summaries., published January 2011
    • PSA (prostate specific antigen) testing for prostate cancer. NHS Cancer Screening programmes., accessed 30 January 2014 
    • Reynard J, Brewster S, Biers S. Oxford handbook of urology. 3rd ed. Oxford: Oxford University Press; 2013: 332−4
    • Prostate cancer. Risk factors and causes of prostate cancer. Grading and staging of prostate cancer. Macmillan Cancer Support., published 1 May 2012
    • Prostate cancer. BMJ Best Practice., published 16 January 2014
    • Benign prostatic hyperplasia. PatientPlus., published 2 October 2012
    • Benign prostatic hyperplasia. BMJ Best Practice., published 17 December 2013
    • Prostate cancer. PatientPlus., published 11 February 2014
    • Simon C, Everitt H, van Dorp F. Oxford handbook of general practice. 3rd ed. Oxford: Oxford University Press; 2010: 467−9, 774−5 (printed version) 
    • Allen NE, Key TJ, Appleby PN, et al. Animal foods, protein, calcium and prostate cancer risk: the european prospective investigation into cancer and nutrition. Br J Cancer 2008; 98(9):11574−81. doi:10.1038/sj.bjc.6604331
    • Can prostate cancer be found early? How is prostate cancer diagnosed? Hormone (androgen deprivation) therapy for prostate cancer. American Cancer Society., published 26 August 2013
    • Watchful waiting. Prostate Cancer UK., published January 2014
    • MDT (multi-disciplinary team) guidance for managing prostate cancer. The British Association of Urological Surgeons, 2009.
    • Laparoscopic radical prostatectomy. National Institute for Health and Care Excellence (NICE), 2006.
    • Types of surgery for prostate cancer. Surgery to remove the testicles to treat prostate cancer. Cancer Research UK., published 21 February 2014
    • Surgery to remove the inner area of the prostate gland. Cancer Research UK., published 24 February 2014
    • High-intensity focused ultrasound for prostate cancer. National Institute for Health and Care Excellence (NICE), 2005
    • Nguyen HD, Allen BJ, Pow-Sang JM. Focal cryotherapy in the treatment of localized prostate cancer. Cancer Control 2013; 20(3):177−80.
    • Murat FJ, Poissonnier L, Pasticier G, et al, High-intensity focused ultrasound (HIFU) for prostate cancer. Cancer Control 2007; 14(3):244−9.
    • Huncharek M, Haddock KS, Reid R, et al. Smoking as a risk factor for prostate cancer: a meta-analysis of 24 prospective cohort studies. American Journal of Public Health 2010; 100(4):693−701. doi:10.2105/AJPH.2008.150508
    • Lawrence H. Kushi CD, Marji McCullough et al. American Cancer Society guidelines on nutrition and physical activity for cancer prevention. CA: A Cancer Journal for Clinicians 2012; 62(1):30−67. doi:10.3322/caac.20140
    • Start Active, Stay Active. A report on physical activity for health from the four home countries’ Chief Medical Officers Department of Health, 2011.
    • Getting the results. Prostate Cancer UK., published February 2014
    • Map of Medicine. Prostate cancer. International View. London: Map of Medicine; 2014 (Issue 2) 33
    • Sex and prostate cancer. Cancer Research UK., published 26 February 2014
    • Sex and prostate cancer. Prostate Cancer UK., published January 2013
    • Erectile dysfunction. NICE Clinical Knowledge Summaries., published January 2013
    • How cancer treatment can affect ejaculation. American Cancer Society., published 19 August 2013
    • Prostate cancer risk management programme. NHS Cancer Screening programmes., accessed 7 May 2014
    • Enlarged prostate. Prostate cancer UK., published January 2013
    • Testing for prostate cancer. American Cancer Society., accessed 16 July 2014
    • Prostate cancer: the most common cancer among men in England – 2010. Office for National Statistics., published March 2013
    • Prostate cancer. Medscape., published 22 July 2014
    • Metastasis. National Cancer Institute., accessed 29 July 2014
    • Prostate cancer treatment and management. Medscape., published 18 August 2014
    • Hormone Therapy for prostate cancer. National Cancer Institute., accessed 28 August 2014
    • Abiraterone for castration-resistant metastatic prostate cancer previously treated with a docetaxel-containing regimen. National Institute for Health and Care Excellence (NICE), 2012. 
    • Enzalutamide for metastatic hormone relapsed prostate cancer previously treated with a docetaxel containing regimen. National Institute for Health and Care Excellence (NICE), 2014
    • Ilic D, Forbes KM, Hassed C. Lycopene for the prevention of prostate cancer. Cochrane Database of Systematic Reviews 2011, Issue 11. doi:10.1002/14651858.CD008007.pub2
    • The British Nutrition Foundation. Fruit and vegetables., accessed 23 July 2014
    • Prostate cancer tests. Cancer Research UK., published 20 February 2014
    • Protein specific antigen (PSA). PatientPlus., published 11 March 2013
  • Has our information helped you? Tell us what you think about this page

    We’d love to know what you think about what you’ve just been reading and looking at – we’ll use it to improve our information. If you’d like to give us some feedback, our short form below will take just a few minutes to complete. And if there's a question you want to ask that hasn't been answered here, please submit it to us. Although we can't respond to specific questions directly, we’ll aim to include the answer to it when we next review this topic.

    Let us know what you think using our short feedback form
    Ask us a question
  • Related information Related information

  • Tools and calculators Tools and calculators

  • Author information Author information

    Reviewed by Hemali Bedi, Bupa Health Information Team, September 2014.

    Let us know what you think using our short feedback form
    Ask us a question

About our health information

At Bupa we produce a wealth of free health information for you and your family. We believe that trustworthy information is essential in helping you make better decisions about your health and care. Here are just a few of the ways in which our core editorial principles have been recognised.

  • Information Standard

    We are certified by the Information Standard. This quality mark identifies reliable, trustworthy producers and sources of health information.
    Information standard logo
  • HONcode

    This site complies with the HONcode standard for trustworthy health information: verify here.

    This website is certified by Health On the Net Foundation. Click to verify.

What our readers say about us

But don't just take our word for it; here's some feedback from our readers.

Simple and easy to use website - not alarming, just helpful.

It’s informative but not too detailed. I like that it’s factual and realistic about the conditions and the procedures involved. It’s also easy to navigate to areas that you specifically want without having to read all the information.

Good information, easy to find, trustworthy.

Meet the team

Image of Andrew Byron

Andrew Byron
Head of health content and clinical engagement

  • Dylan Merkett – Lead Editor – UK Customer
  • Nicholas Ridgman – Lead Editor – UK Health and Care Services
  • Natalie Heaton – Specialist Editor – User Experience
  • Pippa Coulter – Specialist Editor – Content Library
  • Alice Rossiter – Specialist Editor – Insights
  • Laura Blanks – Specialist Editor – Quality
  • Michelle Harrison – Editorial Assistant

Our core principles

All our health content is produced in line with our core editorial principles – readable, reliable, relevant – which are represented by our diagram.

An image showing or editorial principals

                  Click to open full-size image

The ‘3Rs’ encompass everything we believe good health information should be. From tweets to in-depth reports, videos to quizzes, every piece of content we produce has these as its foundation.


In a nutshell, our information is jargon-free, concise and accessible. We know our audience and we meet their health information needs, helping them to take the next step in their health and wellbeing journey.


We use the best quality and most up-to-date evidence to produce our information. Our process is transparent and validated by experts – both our users and medical specialists.


We know that our users want the right information at the right time, in the way that suits them. So we review our content at least every three years to keep it fresh. And we’re embracing new technology and social media so they can get it whenever and wherever they choose.

Our accreditation

Here are just a few of the ways in which the quality of our information has been recognised.

  • The Information Standard certification scheme

    You will see the Information Standard quality mark on our content. This is a certification programme, supported by NHS England, that was developed to ensure that public-facing health and care information is created to a set of best practice principles.

    It uses only recognised evidence sources and presents the information in a clear and balanced way. The Information Standard quality mark is a quick and easy way for you to identify reliable and trustworthy producers and sources of information.

    Certified by the Information Standard as a quality provider of health and social care information. Bupa shall hold responsibility for the accuracy of the information they publish and neither the Scheme Operator nor the Scheme Owner shall have any responsibility whatsoever for costs, losses or direct or indirect damages or costs arising from inaccuracy of information or omissions in information published on the website on behalf of Bupa.

  • British Medical Association (BMA) patient information awards

    We have received a number of BMA awards for different assets over the years. Most recently, in 2013, we received a 'commended' award for our online shared decision making hub.

Contact us

If you have any feedback on our health information, we would love to hear from you. Please contact us via email: Or you can write to us:

Health Content Team
Bupa House
15-19 Bloomsbury Way

Find out more Close

Legal disclaimer

This information was published by Bupa's Health Content Team and is based on reputable sources of medical evidence. It has been reviewed by appropriate medical or clinical professionals. Photos are only for illustrative purposes and do not reflect every presentation of a condition.

The information contained on this page and in any third party websites referred to on this page is not intended nor implied to be a substitute for professional medical advice nor is it intended to be for medical diagnosis or treatment. Third party websites are not owned or controlled by Bupa and any individual may be able to access and post messages on them. Bupa is not responsible for the content or availability of these third party websites. We do not accept advertising on this page.

For more details on how we produce our content and its sources, visit the 'About our health information' section.

ˆ We may record or monitor our calls.