Flomax and lower abdomen

60 YO male: three weeks on .4 Flomax

I went on it because after Parathyroid surgery for kidney stones, I was still having symptoms. Mostly a painful urgency to pee, with only tablespoons coming out. That would last for 3-6 hours. I started out with pyridium (the pill that turns your urine orange). That seemed to help, but I was still having some lower-right abdomen KS pain events with the urgency. The urologist suspects I still have some stones that have yet to come out.

My prostate exam and PSA were good. No signs of cancer. I don't think the size of the prostrate was measured or whether BPH was an issue because of the obvious Parathyroid issue.

I started taking .4 Flomax, got the lightheadedness that evolved into a feeling of being slightly high most of the time. And feeling mildly relaxed.
Flow was improved, maybe a few less pees per day. Still peeing at least twice a night; good stream, good quantity.

Not a runny nose, but a thicker discharge. This week (3 weeks in) the nose is better.

Lower volume and clearer ejaculate. After the last ejaculation, I went right into an urgency and lower right KS pain event that lasted 6 hours. I was uncomfortable, but OK on Tylenol and pyridium. My events frequently happen on Saturday/Sunday. I have tried to figure out what, if anything I might be doing to cause or break this cycle, but there seems to be no correlation. I was hoping to get rid of the painful and disruptive urgency episodes, but so far they are still here every week or so.

Dreams have been a bit weird.

I have a swollen knee and toe, but this could be due to some hiking while on vacation. I saw the posts about painful joints, but can't make a direct connection yet.

Since Flomax three weeks ago, there seems to be a low level feeling in my lower abdomen. Not a pain as much as a presence, a tension. I think it's in the testicles, but you know how that is; accidentally smack one and the pain feels like it's inside the body.