Constant anxiety/panic with irrational fears

About 2 months ago I got really sick with a fever and my anxiety randomly kicked in, without me knowing completely. Then I started to feel uncomfortable in certain parts of my body, like shortness of breath, chest pain in the middle of your chest but on the left side, every now and then heart palpitations, heart racing (like when you've ran), chocking/difficulty swallowing and dizziness. Well, I'm still dealing wtih the constant chest pain and fear of choking or not being able to breath. I've already went to my local doctor and he said my heart was fine, great actually! But I still can't help but feel anxious all the time...I'm scared to be alone at my house, be in a car (feels like I'm suffocating), the intersate and driving far away from my home or a hospital. It's so bad that it causes panic attacks and then I start to panic because I'm having a panic attack and scared that I can't control it. I'm just in a deep deep deep hole, might as well dig to china at this point.

I'm scared that I'll have a heart attack or something bad will happen to me and nobdy would be able to get to me in time, even though it's just anxiety and panic. I just can't live like this. But therapy is out of the question as I can't afford it and I've seen and heard some people say it's a hit or miss kind of thing. Sorry for the long post, I just have to chest this off my chest because I'm just miserable and have no idea how to deal with this.