Hello.
You'll probably need a prescription-strength medication; however, you'll need to be examined and diagnosed first. So see your gynecologist. If you don't have one, go to your nearest women's clinic or Planned Parenthood for free or low-cost help.
Remember you should never put anything in your vagina after putting it in your anus. This is because the bacteria that live in the anus can affect the protective bacteria that live in your vagina. They just don't get along. Dr. J
You have to go to the Doc! No over the counter stuff will help,