What Causes Recurring Headache And Discomfort In Chest Area?

I had shortness of breathe and heart was beating fast on Monday and on Tuesday for just a few minutes each time now I am having headaches off and on. Also am having some discomfort on the left side of my chest. I was supposed to be taking cholesterol medicine and stop taking it because it was hurting my stomach I think that I had taken about 20 pills. I am a 32 year old male. I have health insurance but have a lot bills for it. That's why I haven't gone to see my doctor