Food dyes, blue and green in particular, are the most common cause of green urine. For example, indigo carmine , also known as Blue #2, is a common food dye that can cause green urine, Das says.

Green urine is typically caused by something you consume, so it's generally not something to worry about. 2. You're taking medications that contain green dyes.

Sometimes a supplement, medication, or food can cause your urine to turn green, but it's usually not something you need to be worried about.

Urine color can vary significantly and is often a reliable indicator of your health and hydration status. ... Nevertheless, unusual colors like red, blue, or green, incredibly if persistent, ...

Medications: Medications that can cause blue or green urine include cimetidine (Tagamet), amitriptyline, indomethacin (Indocin), promethazine (Phenergan), and vitamin B supplements.

Blue or green urine. Blue or green urine is rare and usually related to certain medications, dyes used in medical tests or specific foods. While it might seem unusual, ...

Health problems: Orange urine can be a sign of a problem with the liver or bile duct, mainly if you also have light-colored stools. Dehydration also can make your urine look orange. Blue or green ...