Purple urine bag syndrome (PUBS) is a rare discoloration of urine. Tryptophan is converted by bacteria in the gastrointestinal tract into indole. In the liver, conversion to 3-hydroxy-indole ...

“Gram stains show whether the bacteria in urine samples are gram positive or negative by staining them purple or pink,” says Miyatsuka. “Only the most experienced technicians can make ...

Another is aptly called purple urine-bag syndrome, and is another bacterial phenomenon. This refers to a condition where ...

Medically reviewed by Steffini Stalos, DO A pee color chart can help you understand your health. The color of your pee shows how hydrated you are and if certain things are in your body. For example, ...