Jan 5, 2024 · Cold sores usually heal in 2 to 3 weeks without leaving a scar. Cold sores spread from person to person by close contact, such as kissing. They're usually caused by herpes …

A cold sore[a] is a type of herpes infection caused by the herpes simplex virus that affects primarily the lip. [1] Symptoms typically include a burning pain followed by small blisters or …

Aug 11, 2025 · Cold sores are painful blisters caused by an infection with the herpes simplex virus (HSV). Learn more about the causes, risk factors, symptoms, treatment, complications, and …

May 29, 2025 · Learn about types of herpes simplex. Type 1 causes cold sores, fever blisters or oral herpes. Type 2 affects the genital area. Read about symptoms.

Cold sores are small blisters around the mouth caused by the herpes simplex virus. Cold sores can be spread by kissing or sharing eating utensils or even sharing towels.

What is a cold sore? A cold sore (also called a fever blister) is a skin blister associated with a herpes simplex virus (HSV) infection. Cold sores typically form on your lips or the skin around …

Jul 20, 2025 · Antiviral creams and medications can speed healing and relieve symptoms. A cold sore, sometimes referred to as a fever blister, typically starts with a tingling, itchy, or stinging …

Cold sores are caused by a virus called herpes simplex. Most people are exposed to the virus when they're children after close skin to skin contact, such as kissing, with someone who has …

Dec 18, 2025 · Cold sores are caused by the herpes simplex virus (HSV). HSV is spread through contact with infected saliva or skin. After the initial infection, HSV tends to stay inside your …

Cold sores are caused by the herpes simplex virus (HSV). Cold sores are also known as fever blisters or herpes simplex labialis. If you get cold sores, you’re not alone. More than half of …