Breath odor affects everyone at some point.
Why does my urine smell like ammonia?
Learn more about bladder stones. Why is my urine bright yellow? This may result in an excess of sulfur chemicals leaving your body through your urine. But it's extremely common, and most people experience it at some point. You brush and floss twice a day, but you could be doing your mouth a disservice if you aren't also attacking the bacteria living on your tongue. Some medications or supplements may also be responsible for changing the urine's odor. See a doctor if the smell lasts longer than a few days.