What causes green urine?
Green urine color is most likely caused by foods you have eaten lately or medications you are taking.
Foods you eat can cause a green urine color.
For example, Asparagus is known to cause a darker yellow urine color or a green urine color. Artificial food coloring can also be the culprit of green urine.
Another example, drinking green beer on St. Patrick's Day (or any day for that matter) may, in fact, turn your urine green due to the green food coloring in the beer. Of course, the intesity of the green urine depends on how much green beer you drink. Drink enough and you may just think you're looking at Leprechaun pee.
Why would medicine turn your pee green?
Medications and drugs can cause your urine to turn green, since many of these contain dyes. Although not harmful, the dye will enter you kidneys and dye the urine green as well. Some medications can also have a side effect of changing your urine color. In these cases, there may not be any dye present to make your pee green, but a chemical reaction could create tint your urine.
You also need to ask yourself if it is really green urine, or could it be a blue urine color?
Rinsapin is an antibiotic that can cause a green urine or blue urine
color.
Any other medication that uses a green or blue dye
in the medicine can cause a green urine color. Remeber,
yellow and blue make green.
Can illness turn your urine green?
There are not really any diseases that would cause a green urine color directly, however bile and diarrhea can cause a greenish tint to your urine. So while the urine itself may not be green, something might mix in with the urine your body is making, giving the pee the appearnce of a green urine color. For example, pus from a urinary tract infection could also cause green urine. If you don't have a situation producing bile or diarreha, and you don't have a urinary tract infection, then your green uring is most likely related to something you have ingested.