Hello and thank you for your question.
I would like to ask you a few questions to make sure I understand your situation better.
Could you please clarify if you are seeing the blood in your urine or in your semen or in both? Have you had a urine test? Is there any discomfort with urination?
Frank, Thank you for your reply.
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Having blood in the semen has a variety of different causes, most of them are not serious and easily reversible.
The most likely cause of blood of blood in the semen is infection in the prostate, called prostatitis. It will also explain the shooting pain you are experiencing under the scrotum. Prostatitis is easily diagnosed with a urine test and is treated with antibiotics.
Bladder infection can also cause blood in semen. Bladder infection in men most often causes no symptoms of pain upon urination or urinary frequency but again, a urine test, will show if there infection present.
Some other causes include enlarged prostate which we often seen in men as they get older, trauma to the prostate (from the recent fall you had). Rarely prostate cancer or bladder cancer can cause blood in the semen.
So as you can see there are several reasons for having blood in the semen. You will need further evaluation, preferably by a urologist. Besides getting your PSA checked (which you are waiting the results on), you also need to have a urine test as well as a rectal exam to feel your prostate.
Again, good news is most often the causes of bloody semen is nothing serious and is easily treated.
I hope you find this information helpful. Please feel free to follow-up with any other questions you might have.
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Best wishes and good luck,
If the blood is changing color, it does not mean blood is old or that it has stopped, it just means that there is less blood and it is being diluted with the rest of the fluids produced by the prostate which is why it is not as an intense in color.
Knowing that your urine test did not show infection rules out a couple of possibilities. However, other things need to be ruled out as I mentioned before. You might need to have an ultrasound of your bladder and prostate and possibly have cystoscopy, which is a procedure during which a small camera is inserted inside the bladder to look for a source of bleeding.
Please feel free to follow-up with any other questions you might have. I will be glad to assist you further.