Suggest Remedy For Persistent Vaginal Discharge And Rash

I suffer constant vaginal discharge. All swabs for sti/do negative. My doc said it was the pill I stopped that but no change. I get really wet during sex whic affects sensation. I feel damp all the time and am getting really bad sweat rashes bet ween my legs so I am in constant discomfort. My go said deal with it. I have no confidence