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