what is green vaginal discharge and odor symptoms of
1 It is usually accompanied by a foul, fishy smell.  Trichomonas: Trichomonas infection produces a frothy, yellow-green vaginal discharge with a strong odor. Associated symptoms can include discomfort during intercourse and urination, as well as irritation and itching of the female genital area.
The most common cause of green vaginal discharge is a sexually transmitted infection known as trichomoniasis. This infection is caused by a parasite known as Trichomonas vaginalis, sometimes referred to as âtrich.â.