Vaginal Pain.

I wasn't sure which group to post this in. But around November, I had my first yeast infection, and I used Monistat and got it to go away. But it's like ever since then, I've still got vaginal pain and discomfort. The burning sensation and just flat out pain. And it usually only happens if I have sex. Anyone know what it could be? Or if it's still a yeast infection?