If they did not send a urine culture, then you did not have the complete test for other bacteria that can infect the bladder, or the prostate gland.
After four days of antibiotics you should be getting better.
I suggest you do the following.
Have the doctor do a urinalysis and also send the sample for culture AFTER you have a prostate exam.
This will possibly show more bugs.
Prostate infection can take longer to respond to antibiotics as well.
Also, the type of antibiotic is important. Cipro and Bactrim have a lot of resistance.
I would immediately switch to doxycicline.
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