If the unmarried woman has had sexual intercourse in the past, then it will be easy to insert a vaginal pessary deep inside the vagina. If facing any difficulty in insertion, then can consult your gynaecologist to help with it. Also use V wash or similar genital area washes to raise the pH of the vagina and get rid of the infection sooner. There are many causes of itching and discharge from vagina, fungal, bacterial, parasitic. Some types of discharge are white, or green or even yellow, some are foul smelling, others not having any smell in particular.