Originally Posted by
PIJD
Yes it might be technically sterile (unless you have a kidney infection) but the proteins in urine are a feast for bacteria and they will grow quickly and I have had the pleasure of following someone with the "runs" and shat all over the place, plenty of E-Coli!!!
A healthy person should excrete very, very little protein in urine. I'd be much more worried about fecal matter, which is teeming with life.