What does it look like, and how contagious is it? I have a blistered, bruised heel. But now my whole foot is swollen and hot, and I'm running a fever. I don't want to spread anything, but my wife and I share a bed, and I'm afraid I'll pass something to her. I went to the doctor, and they doctor didn't mention anything about a possible staph infection. Is it something that's obvious? Any thoughts would be great. I am on an antibiotic right now.