What it can mean
What it can mean
PSA is made by normal prostate cells as well as by prostate cancer, so the level reflects the size and health of the whole gland. What counts as elevated depends on your age, your prostate size, your previous results and your other risk factors. There is no single cutoff that applies to everyone.
Common and usually benign
- Enlarged prostate (BPH)
- The prostate grows with age, and a larger gland makes more PSA. This is the most common reason for a mildly elevated PSA in older men.
- Prostate inflammation or infection
- Prostatitis and urinary tract infections can raise PSA, sometimes sharply. The level usually comes back down once the inflammation settles.
- Recent procedures or urinary retention
- A recent catheter, cystoscopy, prostate biopsy, or difficulty emptying the bladder can temporarily raise PSA. The test is usually repeated after enough time has passed.
- Normal variation between tests
- PSA can vary from one test to the next, and laboratories differ slightly. A single high value is often lower when it is repeated.
Less common
- Ejaculation shortly before the test
- Most studies suggest it has little effect or raises PSA modestly. Some clinicians ask you to avoid it for a day or two before the test.
- Medicines that change PSA
- Finasteride and dutasteride, used for prostate enlargement or hair loss, lower PSA by about half. Tell your care team if you take them, because the result needs to be interpreted differently.
What the work-up checks for
- Prostate cancer
- An elevated PSA can be the first sign of prostate cancer, which usually causes no symptoms in its early stages. Many prostate cancers found this way are slow growing, and some low-risk cancers can be safely monitored with active surveillance rather than treated.
Most men with a mildly elevated PSA do not have a cancer that will harm them. The goal of the work-up is to sort out who is at meaningful risk of a clinically significant cancer, using repeat testing, your personal risk factors and, increasingly, MRI before deciding on a biopsy.
The usual work-up
What usually happens next
- 01Repeat the PSAA newly elevated PSA is usually repeated before any further testing, often a few weeks to a few months later, and after any infection or recent procedure has had time to settle.
- 02Look at the whole pictureYour care team will consider your age, family history, ancestry, any known inherited mutations (such as BRCA2), prostate size, prior PSA values and medications. A digital rectal exam may be done alongside the PSA.
- 03Risk calculators and additional tests, if helpfulValidated risk calculators and blood or urine biomarker tests may help estimate your risk of a clinically significant cancer when the result would change the decision about a biopsy.
- 04Prostate MRIA magnetic resonance imaging (MRI) scan of the prostate can show areas that look suspicious and is reported with a 1 to 5 PI-RADS score. It can help decide whether a biopsy is needed and where to aim it.
- 05Biopsy, if your risk warrants itIf the risk remains meaningful, a biopsy takes small samples of prostate tissue. When MRI shows a suspicious area, targeted samples are taken from it, often with a systematic set as well. The biopsy can be done through the skin behind the scrotum (transperineal) or through the rectum (transrectal).
- 06Results and a planIf no cancer is found, your care team will suggest how and when to keep checking. If cancer is found, it is described by its Grade Group, and many low-risk cancers can be monitored rather than treated right away.
The order and the tests vary from person to person. Your care team may skip steps or add others.
Guidelines say · AUA/SUO Early Detection of Prostate Cancer Guideline, 2023
Advises repeating a newly elevated PSA before moving on to a biomarker, imaging or biopsy, and notes that infections and recent instrumentation such as a catheter, cystoscopy or biopsy can raise PSA temporarily.
Guidelines say · AUA/SUO Early Detection of Prostate Cancer Guideline, 2023
Clinicians may use MRI before a first biopsy to improve detection of Grade Group 2 or higher cancer. When the MRI shows a suspicious area, targeted biopsies of that area are recommended.
Do not wait
When to seek care urgently
An elevated PSA on its own is not an emergency. Seek care the same day, or go to an emergency department, if you have any of the following:
- You cannot pass urine, or you are passing only small amounts with a painfully full bladder.
- Fever, chills or shaking with painful or frequent urination, which may be a prostate infection.
- Fever, heavy bleeding or difficulty urinating after a prostate biopsy.
- New back pain with weakness, numbness or tingling in the legs, or new loss of bladder or bowel control.
- Visible blood in the urine with clots.
Bring to your visit
Questions to ask
- 01What is my PSA compared with what is expected for my age and prostate size?
- 02Should we repeat the test, and is there anything I should avoid beforehand?
- 03Could an infection, an enlarged prostate or a medicine explain this result?
- 04Would a prostate MRI help me before deciding on a biopsy?
- 05Are there blood or urine tests that would change your recommendation?
- 06If I need a biopsy, will it be transperineal or transrectal, and will it be targeted?
- 07If a low-risk cancer is found, is active surveillance an option for me?
Common questions
Frequently asked questions
What PSA level is normal?
There is no single normal value. The older 4 ng/mL cutoff is still quoted, but expected levels depend on age, prostate size and personal risk. Your care team interprets your result in that context and alongside your previous values.
Does a high PSA mean I have prostate cancer?
No. An enlarged prostate, inflammation, infection and recent procedures all raise PSA. A high result is a reason for a closer look, which often begins with simply repeating the test.
Do I need a biopsy right away?
Usually not. A newly elevated PSA is typically repeated first. Your risk factors, an MRI and sometimes additional blood or urine tests help decide whether a biopsy is needed at all.
What does an MRI add?
A prostate MRI can show areas that look suspicious for a significant cancer, guide where biopsy needles are aimed, and in some people support a decision to hold off on biopsy and keep monitoring.
My PSA went up a little since last year. Should I worry?
Small changes are common and can reflect normal variation. Guidelines advise against using the speed of PSA change on its own as the reason for further testing. Your care team will look at the trend together with your other risk factors.
Is a prostate biopsy risky?
Prostate biopsy is a common outpatient procedure. Temporary blood in the urine, semen or stool is common. Infection is uncommon, and the transperineal approach is designed to lower that risk further. Your care team will explain what to watch for afterward.
If cancer is found, will I need surgery or radiation?
Not necessarily. Many prostate cancers found through PSA testing are low risk, and active surveillance, which means monitoring with regular PSA tests, MRI and sometimes repeat biopsies, is a recognized option for many of them.