How to quickly treat cold sores

By Dr. Stephanie McGann, DMD FAGD, Columnist, The Times Got a Cold Sore? Here’s How to Treat It Quickly. A cold sore always crops up at just the wrong time. Nobody likes to have an ugly sore on their lip or corner of their mouth. Finding which cold sore treatment works best for you can help speed along its healing. And that’s why we’re here. Cold sores usually last 7-10 days but how you...