Heymiss, I have been in your shoes, and there is hope. I struggled with depression through my teens, and although I didn't take any medication for it, I wish I would have. I saw a phsychologist, but I didn't feel comfortable enough to open up completely with him.
When I was 20 (two years ago), my depression was the deepest it had ever been. I was crying constantly, for no apparent reason. There was nothing particular in my life I was depressed about; I was depressed about life in general. My exact thoughts were "what is the point of living, really????" and "if I cross the street and a bus hits and kills me, I don't give a crap. Put me out of my misery." I also had suicidal thoughts, but the only thing that stopped me from killing myself was thinking about my niece and nephew, and knowing that some day I would like to be a wife and mother.
Finally, one day I broke down and called my primary physician. I made an appointment and was put on anti-depressants. I was prescribed lexapro, but after a few weeks I went back to the doctor because I felt like they were making me sleep all day. So they gave me effexor, and oh my god was it a lifesaver! Within 2 weeks, I felt happy - which is something I hadn't felt in a loooong time. I was on effexor for about a year and a half. I've been off of it for a few months now, and I feel great. I hope there's no turning back.
I'm not saying anti-depressants will necessarily work for you, but I thought i'd share my story with you to give you some ideas. Don't let your depression get to the point where it literally takes your life from you; it's not worth it. Once you get out of that deep, dark hole you're in, you'll see the world in a brand new light. I promise. :) so keep your head up and get your depression under control; call your doctor!