Prostate-Specific Antigen (PSA) Test
|Why is this test done?
|To diagnose or monitor certain prostate diseases.
|How to prepare:
|Blood PSA levels are usually combined with a digital rectal exam.
Prostate cells produce a substance called Prostate-Specific Antigen (PSA). This substance is only produce by prostate cells. It is usually found in small amounts in the blood of men.
What does an abnormal test result mean?
If the result is too high
Certain prostate anomalies, such as prostatitis, benign prostatic hypertrophy and prostate cancer, can cause blood PSA levels to raise.
Factors that can affect the result of the test
PSA results can be affected by a recent digital exam or prostate procedure. PSA levels also increase with age. Older patients usually have higher PSA results than younger patients. Furthermore, taking finasteride (Propecia™, Proscar™) will, eventually cause PSA levels to drop.
What you need to know before the test
Before going for blood tests, a procedure or other exam, it is best to always bring a list of all the drugs you take (prescription, OTC and natural health products). Unless told otherwise, you should take your medication as usual on the day of the test. When in doubt, ask your pharmacist for more information.
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The patient information leaflets are provided by Vigilance Santé Inc. This content is for information purposes only and does not in any manner whatsoever replace the opinion or advice of your health care professional. Always consult a health care professional before making a decision about your medication or treatment.