Why Have I Suddenly Got a Cold Sore? Understanding the Triggers and How to Respond
What Are Cold Sores and Where Do They Come From? Cold sores, also known as fever blisters, are small, painful, fluid-filled blisters that typically appear around the lips or mouth. They are caused by the herpes simplex virus type 1 (HSV-1), a highly contagious virus that affects a significant portion of the global population. While … Read more