Purple urine
Purple urine bag syndrome (PUBS) is a rare but usually benign condition which causes the urinary catheter and bag to be stained purple.
Tag purple urine
Urine Colour
Normally, urine is some shade of yellow with acid urine usually a darker colour than alkaline urine. Pathologically, it may be any colour.
Tyrian rage
Purple Urine: Usually alkaline urine with degradation of indoxyl sulfate (indican), dietary tryptophan metabolite, into indigo (blue) and indirubin (red)