Long time no see. ;)

condoms shouldn't have an effect on your urine. I also had a weird smell and some tingling for about 2 weeks after my uti went way and went back to the doctor, but of course, no infection. If you're drinking lots of cranberry/orange juice or not drinking enough fluids, that can change your urine (make it more acidic or concentrated.) if your urine is dark, dehydration is probably what's causing the strong smell. Diet can also affect the smell, so maybe you could try eating more bland foods and drink water instead of juice. Sometimes I find that my body smells change at certain times of the month, especially around my period.

By the way, urine has ammonia in it, so if that's what you're smelling, it's a good thing, it means everything is sterile. And antibiotics stay in your system for a while, so you shouldn't have to worry too much.