So I think I have a yeast infection

Stacie β€’ Mother to Ben πŸ‘¦πŸ½, Bash πŸ‘¦πŸ½, and Braxton πŸ‘ΆπŸ½, 420 enthusiast πŸ”₯πŸ’¨, lover of life 😍🀘🏾
It itches down there and then when I go to use the bathroom, I feel like I'm peeing fire! 
​And to make things worse, my period is 2 days late and for the cherry on the top, I took a hpt and I got a bfn
​
​What's going on with my body? Can anyone tell me?