Psychiatry is such a trial-and-error-based field, and that trial-and-error process sucks so bad to deal with! It took me about a decade (ages 7-17) of experimentation and changes in diagnosis before I finally landed on a combination of medications that worked for me.
I don't remember all the meds they put me on, but I'm pretty sure I went through nearly all the antidepressants and mood stabilizers that were available at the time! Zoloft, Prozac, Lithium, Wellbutrin, and Seroquel were some of the more memorable failures.
Now I'm 27 and have been relatively stable and happy for the past several years, even though for most of my childhood I couldn't imagine living into adulthood. You'll get there too.
I know it's terrible to lose your teen years to mental illness, and I feel like I have so much catching up to do compared to my peers, but I'm glad I kept trying. I'm glad I'm here and I'm glad you're here too.