Effect of PSA on Existing Cancer

User

Posted 23 Jun 2025 at 18:39

I have been on active surveillance for a few years but my tumour has now grown slightly. I understand that various activities prior to PSA test (eg taking medicines, physical activity, ejaculation, etc.) affect the PSA levels, but does the result of raising PSA, by these activities, have a detrimental effect on the state of PC tumours? For example, should I stop taking NSAIDs, or participating in sexual activity, altogether?

User

Posted 23 Jun 2025 at 23:24

Short answer no it doesn't, so don't.

User

Posted 23 Jun 2025 at 23:26

Hi Blot.

Welcome to the forum mate.

Lots of things can elevate PSA, including non cancerous prostate conditions and getting older.

Presumably a follow up MRI, as part of your active surveillance, has shown your tumour has got bigger. Has you PSA level also increased?

Your tumour could affect your PSA levels but PSA won't affect your tumour.

Carry on living life as you do, mate.

User

Posted 24 Jun 2025 at 01:28

Prostate cancer causes a rise in PSA; a rise in PSA does not cause prostate cancer.

Some people will here the sentence "A low PSA is good." Which is true, because it probably means you do not have prostate cancer.

However taking any supplement or doing anything to get 'a low PSA' is pointless as the objective is not a 'a low PSA' the objective is to not have clinically significant prostate cancer.

Dave

User

Posted 27 Jun 2025 at 11:16

Thank you for all the replies. It's nice to have reassurance that I don't have to abstain from anything that is not declared as cancer-encouraging. I shall carry on as normal.

Blot ................ still on the landscape!

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