Yellowish greenish urine may be caused by food factors, medication factors and infections. 1. Food factors: for example, eating a lot of carrots, etc., will lead to changes in the color of urine, so that the urine becomes yellowish green, after adjusting the diet structure can return to normal. 2. Drug factors: such as taking diuretics amphotericin, or injections of methylene blue injection, etc., may lead to the urine becomes yellowish-green, after stopping the use of drugs, the color of urine can be restored to normal. 3. Infectious factors: such as Pseudomonas aeruginosa caused by urethritis or cystitis, due to the presence of Pseudomonas aeruginosa infection, will lead to yellowish green urine, there may also be some urinary abnormalities, such as urinary frequency, urinary urgency, urinary pain and other symptoms. Yellowish green urine, and there are other urinary abnormalities, should be vigilant for infectious factors, it is recommended to go to the urology department of the hospital for appropriate examination and treatment, to avoid causing other complications.