How long do cold sores last?
Cold sores often start with small red patch which may have a tingling, itching or burning feeling. Within the next couple of days one or more blisters appear and they should start to heal within 10 days.
Cold sores often start with small red patch which may have a tingling, itching or burning feeling. Within the next couple of days one or more blisters appear and they should start to heal within 10 days.