There is an oral pill called Diflucan that you could take - one dose or two is all they give you, but it can be hard on your
liver so take steps to get rid of the yeast overgrowth once
and for all. Wash towels, underwear and socks in hot water and detergent with about 1/2 cup of baking soda each load. Dry thoroughly.
You can look into using probiotics, tea tree oil topically, cranberries (but not sugar) Coconut oil, nigella sativa, garlic ...