I was bitten on my leg. The bite site became infected and eventually about a dozen spots in the area opened up and started oozing pus. It was all extremely itchy but if I scratched or even rubbed it, it would burn. A few days after the bite, all my minor complaints became quite serious. For example; I was getting a slight cold and the sniffles turned into a major lung problem. I finally treated myself with penicillin and was ok after about 4 weeks. Any idea what could've bitten me?