What’s wrong with me??

Okay so I (teenage girl) had what I think was a yeast infection earlier this year and I went to the doctor about it and all they told me was to use the over the counter medicine (I used Monistat 7 I think) but I only used 4 of them before my symptoms stopped. Fast forward to a few months later the same symptoms came back. I went back to the urgent care and told them what was wrong and they basically told me the same thing as last time. However, this time I didn’t think it was a yeast infection at this point. So they gave me a one day pill that was supposed to stop the infection, but it didn’t work so I used the Monistat again and that also didn’t work. I ended up taking another pill that was proscribed to me and it did nothing. Eventually, the burning turned into just like aching/hurting? after a while I started to feel like this definitely isn’t right because I have pelvic pain and what feels like cramps but different? and when I inserted a tampon it HURT and it never did before so I’m thinking cysts in my vaginal canal? Also whenever I get “wet” down there it BURNS!Sorry this is really long but I’m genuinely concerned as to what’s wrong with me.