A little confused

So I saw some things on tiktok about bpd and I was like hey that discribes me a little too well so I did some research and I'm starting to think I might have it, unfortunately right now I don't have a therapist and my parents aren't trying to get me one even though ever since my last one left I have been begging them to get me to see a new one. I'm just not quite sure what I should do, I don't want to tell my mom because any time I try to talk to my mom about my mental health and laughs and says I'm making things up so I can have labels which is completely not true. I am honestly a little concerned and want to know if I really do because if I do it would make a lot of since based on things that have happened in the past. I have already been diagnosed with depression anxiety and adhd though. I was also almost diagnosed with ptsd but we weren't completely sure so we decided to try getting me screened for it again a different time.