It couldn't hurt, if you can afford it, but it really doesn't seem like that's what you have going on. Continue to work with your doctor about treatment.
Here's some decent info on CPPS - https://www.verywellhealth.com/prostate-pain-treatment-2564490
It's tricky, unfortunately.
Yes, it would, though trich is harder to find in men than women in testing.
Have you seen a doctor about this? Followed up with your urologist? It's been going on a long time.
Google CPPS in men and see if that fits.