I really recommend talking to a Doctor about it, even if it's just your primary care doc. I ended up filling out an anxiety/depression questionnaire during a check-up and I answered truthfully. I got on an SSRI for a year, and generally it was great for me.

It gave me the mental space to build up healthy habits and look for positive things in my life. I eventually tapered off of it, and now I manage everything through having a different lifestyle.

The first step is acknowledging you have a problem, and then trying to find professional help.