Hello-
You are suffering from vaginal infection which can be aggravated by sexual activity (irrespective of its protection status).It can be treated effectively with herbal supplementation. Tee tree oil and Aloe Vera are helpful for infections and is known for its healing effects. It can be applied topically to relieve itching or taken internally or used in a douche. Barberry has potent infection-fighting properties.
For the time being, start Chandra Prabha vati 1 tab twice before meals for a week. If found helpful, consult for further guidance.