2 days ago I went to the mall to get my other ear pierced because I had already gauged and pierced my cartilage by myself and figured I'd have them do it. (I don't even know why). But anyway, now I'm stuck with a bad infection in my ear. When I went into spencers in the mall to buy a piercing gun for other stuff I had asked the guy at the counter what he thought (also, I don't even know why). He said.. alright, well that's a really bad infection, try and get the liquid and blood out of it. So I go home like a freak with my needle in hand and poke a small hole to let blood out. It did bring the swelling down a little with rubbing alc. Being used as well. Then after taking a shower it was back, but worse. Now I'm on antibiotics (amoxicillin), and I clean the ear about 3 times a day with poroxide and neosporen.

Please anyone, if you have any suggestions to help me fix my stupid mistake it would be VERRY appriciated.

Also, can infections from piercings be spread throughout the body?

Infections, anywhere on the body, left untreated, can spread. Your skin is the first line of defence for your body, after that is breeched, anything can happen.