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PSA stands for prostate-specific antigen. It is a protein made by the prostate gland. The PSA test measures the level of this protein in your blood. Doctors often use it as a screening tool for prostate cancer, but a high PSA level does not always mean you have cancer. Many other things can raise PSA levels, such as an enlarged prostate, infection, or recent activity like biking or ejaculation.
Key facts
Yes, the PSA test is a very common blood test, especially for men over 50 or those with a family history of prostate cancer. Millions of men have this test each year as part of routine check-ups or because of symptoms.
The PSA test is only relevant for men (people with a prostate). It is most often used for men aged 50 and older, but it may be offered earlier if you have a higher risk, such as a close relative who had prostate cancer.
The PSA test is a simple blood test. Your doctor will take a small sample of blood from your arm and send it to a lab to measure the level of PSA. The result is usually available in a few days. A 'normal' PSA level depends on your age and other factors, but generally a level below 4 ng/mL is considered normal, though some men with cancer have lower levels and some without cancer have higher levels.
Treatment depends entirely on the underlying cause of the elevated PSA. If the cause is benign (like BPH or prostatitis), treatment may focus on managing symptoms. If cancer is found, the treatment plan will depend on the stage and grade of the cancer, your age, and your overall health. Many prostate cancers grow very slowly and may not need immediate treatment – your doctor may recommend 'active surveillance' where you have regular check-ups but no therapy.
Living with an elevated PSA result can feel stressful, especially while waiting for more tests. It is important to focus on what you can control: staying in touch with your healthcare team, following up on appointments, and taking care of your overall health. If further tests show a non-cancerous condition like BPH, you may only need to manage symptoms. If cancer is found, you will have a treatment plan and support.
There is no guaranteed way to prevent an elevated PSA level or prostate cancer. However, a healthy lifestyle – including a balanced diet, regular exercise, maintaining a healthy weight, and not smoking – may lower your risk of prostate problems. Some studies suggest that certain foods (like tomatoes and fish) may be protective, but the evidence is not strong enough to make specific dietary recommendations for prevention. The most important step is to talk to your doctor about your personal risk and whether PSA screening is right for you.
There are no vaccines to prevent prostate cancer or elevated PSA levels.
PSA screening is a personal decision. It can help detect prostate cancer early, but it also has risks, such as false positives (finding a high PSA when there is no cancer) and overdiagnosis (finding a slow-growing cancer that may never cause harm). Discuss the pros and cons with your doctor, especially if you are at higher risk due to age, family history, or ethnicity. In the UK, the NHS does not currently offer a national screening programme for prostate cancer because of these uncertainties. Men can request a PSA test after discussing it with their GP.
The outlook for men with an elevated PSA is generally very good, especially when the cause is found early. Most causes are benign and manageable. If prostate cancer is detected, the vast majority of men have a good prognosis – many prostate cancers are slow-growing and can be successfully treated or monitored. The key is to stay informed and work closely with your healthcare team. With modern medicine, even advanced prostate cancer can often be managed for many years.
Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 16, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
If your PSA is raised, your doctor will talk with you about the possible causes and your personal risk factors. You may be asked about any medications you take, recent activities, and any symptoms. You might need a repeat test or a digital rectal exam. If the PSA remains high or your doctor is concerned, they may refer you to a urologist (a specialist in men's health) for more tests, such as an MRI or a biopsy. The process can take a few weeks, but it is important not to rush into decisions – talk through your options with your healthcare team.
Medical treatments for elevated PSA are aimed at the underlying condition. For BPH, doctors may prescribe medicines that help relax the prostate or shrink it. For prostatitis, antibiotics or anti-inflammatory medicines may be used. For prostate cancer, treatment options include active surveillance, radiation therapy, surgery to remove the prostate, hormone therapy, or chemotherapy. The choice depends on the cancer's risk level and your personal preferences. Your healthcare team will explain the benefits and risks of each option.
If prostate cancer is confirmed and is aggressive or at a higher stage, surgery to remove the prostate (radical prostatectomy) may be recommended. This is typically done when the cancer is still confined to the prostate and you are healthy enough for surgery. Not all men with prostate cancer need surgery – many are candidates for active surveillance or radiation.
A healthy diet and regular exercise can support your overall health and may help manage prostate conditions. There is no specific 'prostate diet', but eating plenty of tomatoes, cruciferous vegetables (like broccoli), and foods rich in omega-3 fatty acids (like fish) may be beneficial. Stay active: walking, swimming, or cycling (with a comfortable seat) are good choices. If you have BPH, avoiding large meals close to bedtime can reduce nighttime urination.
An elevated PSA result can cause worry and anxiety, especially while you wait for further tests. It is normal to feel concerned. Try to focus on facts: most men with a raised PSA do not have cancer. If you do receive a cancer diagnosis, remember that many prostate cancers are slow-growing and treatable. Talk to your doctor about your feelings, and consider speaking with a counselor or joining a support group. Your mental health is just as important as your physical health.
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