I've written before on the increasing danger of bacteria that are resistant to multiple antibiotics.  This resistance is a side effect of the use, and frequent misuse, of the many antibiotics physicians have at our disposal.  I've also written about the pressure that physicians sometimes face from patients to prescribe unnecessary antibiotics. Last week Slate published an article by Dr. Zachary Meisel, an emergency department physician who recounts facing a very common dilemma.  He took care of...