Suggest Remedy For Burning And Itchy Sensation In The Vagina

Im having dry, flaky, burning, swelling, and itching on the outermost part of my vagina, and my clítoris is red and swollen and it burns bad, I havent noticed if I have discharge because im on my menstrual cycle right now but I started noticing this on monday and the last time I had sex was last week, what could it be?