Hi, Welcome to HealthcareMagic Forum.
You are having Vaginal Candidiasis
that is Fungal Infection
of Vagina. Is the discharge Foul smelling? Kindly get yourself examined by a Gynecologist to rule out the exact cause. You will require anti fungal drugs either orally or vaginally. You will need a 3 to 7 day course.
Keep your genital area clean and dry. Avoid soap and rinse with water only. Sitting in a warm bath may help relieve your symptoms, Avoid douching, Avoid wearing extremely tight fitting panties which may cause irritation and use cotton ones. Use pads and not tampons.
Wish you Good Health, Take Care.