PSA blood test

PSA test · prostate specific antigen · PSA · prostate blood test

This is a regular blood test from a vein. It shows the level of a protein made by the prostate gland.

To check the prostate in men, usually after age 45 to 50, for problems passing urine, and for follow-up after treatment.

⏱ Duration: the blood draw takes 2 to 3 minutes; the result usually comes in 1 to 2 days

Be sure to tell your doctor

If you take medicines for an enlarged prostate. They can lower PSA
If you recently had a prostate massage, a rectal exam, a biopsy, or a catheter
If you have inflammation or a urinary tract infection right now
Your past PSA results. It is important to compare

How to prepare

2 days before. You are usually advised to avoid ejaculation, long bike rides, and heavy exercise for 2 days. These can raise PSA.
After procedures. If you had a prostate exam, massage, or biopsy, the test is usually done later. The doctor will tell you how long to wait.
Food. You usually do not need to fast. If you are having other tests at the same time, check with your clinic.
Medicines. Take your medicines as usual. Do not stop them on your own. Tell your doctor, who will decide.

What to bring

Your referral, if you have one
Your ID
Your past PSA results

How it goes

You sit down and rest your arm on the armrest
A band is tied around your upper arm
The skin is wiped with alcohol
Blood is taken from a vein into a tube with a needle
A cotton pad is pressed on the spot

What you'll feel

A quick prick, like a mosquito bite
Sometimes a small bruise afterwards

Afterwards

Keep the cotton pad pressed for 3 to 5 minutes
You can eat and go about your day right away
Discuss the result with your doctor. Normal levels depend on age, and one high result is not yet a diagnosis

Common questions

Does a high PSA mean cancer?

Not necessarily. PSA can be raised by inflammation, an enlarged prostate, or sex and cycling the day before. The doctor decides whether to repeat the test or check further.

How do I prepare for a PSA test?

Usually 2 days without ejaculation, cycling, or heavy exercise. And not right after a prostate exam or massage.

At what age should I get a PSA test?

Usually after 45 to 50, or earlier if close relatives had prostate cancer. It is best to decide together with your doctor.