I don’t know what to do

I know my depression is getting worse and all my parents do is deny it. I was diagnosed 3 years ago and we decided not to put me on medicine and just to talk to someone. That stopped because we couldn’t afford it anymore. But with a few unhappy dates coming up, I just can’t seem to come out of this low spot. I told both my parents and they both said that I was fine and that I needed to grow up