Today's WSJ Health Blog writes about the infection, Clostridium difficile (C. diff), and how it's becoming known as the 'new' MRSA . The blog writes: The dark irony is that, because C. diff typically kept in check by the healthy bacteria that live in the digestive tract, people often get C. diff infections after treatment with antibiotics (which kill both harmful and healthy bacteria). It amazes me to this day, how many people come into the office demanding antibiotics for what are mostly viral infections (which of course, antibiotics do not help). I hear the same stories from my colleagues. Usually, once the side effects are rationalized, most people understand the consequences and we decide that antibiotics aren't indicated for this illness. Of course, this approach takes time and unfortunately, it's much easier to write the script for the antibiotic and not have to take more time out of one's busy schedule to explain this. Just as unfortunate, is that ...