Jun 5, 2025 · Sores on the inside of your mouth are irritating and painful. While cold sores on the outside of the mouth can be treated with balms and ointments, canker sores, which are similar to …

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 your mouth. …

Sep 28, 2025 · While less common, cold sores can indeed develop in the mouth, often referred to as oral herpes or oral cold sores. These lesions may appear on the gums, tongue, roof of the mouth, 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 …

Jan 5, 2024 · Learn more about the causes, symptoms, treatment and prevention of this common lip sore caused by the herpes simplex virus type 1 (HSV-1).

Cold sores are caused by the herpes simplex virus. Once this virus is in you, it can cause outbreaks of cold sores. Cold sore outbreaks are often triggered by exposure to the sun, cold wind, a cold or other …

Aug 26, 2025 · Cold sores, alternatively called fever blisters, on the lips are small, blister-like lesions. They may also form on the chin, cheeks, or in the nostrils, as well as the gums or the roof of the...

Oct 2, 2025 · Cold sores are painful, fluid-filled blisters that most commonly appear on your mouth. Treatments include antiviral medications and supportive care.

Dec 11, 2024 · Cold Sores: Symptoms, causes, treatments, and your questions answered. Cold sores, also known as herpes labialis, orolabial herpes, or fever blisters, are contagious sores on the lips and …

May 29, 2025 · Cold sores usually occur outside the mouth, on or around the lips. When they are inside the mouth, they are usually on the gums or the roof of the mouth. They are not the same as canker …