The integrity of the anastomosis was tested by an injection of methylene blue into the bowel lumen. Postoperatively the patient voided ‘green urine’ and alarmed the nursing staff and junior duty ...

Eating large amounts of fava beans can cause dark brown urine. Eating foods with a lot of food dye can lead to blue or green urine. There are also some medicines that can change your urine color, ...

The color of your poop and pee can sometimes change, which tells you things about your body. Per an expert, a little-known cancer can also cause such changes.

Dr. Olstad points out that it can be difficult to discern dark-yellow urine from other dark urine colors like brown, orange, ...