Historically, methylene blue was also incorporated into the medication of psychiatric patients so that clinicians could monitor their adherence due to blue urine ... When used to color textiles ...

In doing this the methylene blue is oxidized to the blue form again and eliminated by the body, turning urine blue. Since the blue color disappears from the skin and appears in the urine at the same ...

Now, the interesting thing about methylene blue is that, if ingested, it can temporarily change a person's urine colour. The effects range from a faint green tint to a bright blue stream. "For the ...

Staining cells: Methylene blue stains negatively charged cell components, such as nucleic acids, a blue color. This makes it ... including blue urine, nausea, vomiting, skin discoloration ...