Cold sores are small painful blisters that form on or near the lips or nose. Cold sores are common and tend to go away on their own within 1 to 2 weeks. What Are the Signs & Symptoms of Cold Sores?

Cold sores are small painful blisters that can form on or near the lips or nose. They’re common and usually go away on their own in 1–2 weeks. Kids may have tingling and numbness around their mouth ...