Hi, I just got my cartilage on my ear pierced last Sunday, and I went to the doctor today because I didn t know if it was infected or not. He thought it could be so he put me on anti biotics. I got it pierced with a ear piercing gun, not a needle. I am wondering if this is why my ear is sore, a little red, and a little swollen and warm? Also supposedly the earring was 14 k gold, could it just be an allergic reaction?Am supposed to leave the piercing in or take it out? Thanks!