The most common cause of
green vaginal discharge is a sexually transmitted infection known as
trichomoniasis. The discharge often has a foul odor and associated with itching.
The vaginal discharge that may be also due to
gonorrhea or chlamydia. A foul-smelling, colored discharge can also occur when a foreign body is in the vagina.
These can be easily diagnosed by sampling the discharge. Trichomoniasis, gonorrhea, and
bacterial vaginosis are curable with appropriate antibiotic therapy. If a foreign body is present, it will need to be removed and antibiotics may be used to treat any potential infection.
So i recommend you to take immediate medical consultation for proper diagnosis and treatment.
Later you should follow these advice if you have any infection.
Avoid soap and just rinse with water to clean the part.
Dry thoroughly afterward.
Wear loose-fitting clothes.
Wear cotton underwear.
Wash thoroughly after using the bathroom.
Always practice
safe sex and use condoms to avoid spreading infections.
Stay healthy and take care.