Urine with a simple yellow odor usually only lasts a few days and goes away on its own. However, if combined with other symptoms such as painful urination, burning urination, persistent foul odor, etc., you should see a doctor because it could be a sign of a urinary tract infection.

Green urine is mainly caused by foods and medications. However, if accompanied by other unusual symptoms such as painful urination, fatigue, fever, etc., you should see a doctor, as this can be a sign of many diseases.