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Parents will notice small blisters in and around the mouth, on the palate, tongue and throat, which then turn into shallow, painful sores. These lesions may be accompanied by fever and swollen glands.

Cold sores are common infections in children. They’re also called fever blisters, oral herpes, or herpes labialis. Despite their name, cold sores don’t have anything to do with colds. Cold ...

While individual cold sore episodes will heal, there’s no way to banish the virus from your body, so you’ll always be at risk for future outbreaks, Dr. Wassef said.

Cold sores often appear as clusters of small, fluid-filled blisters that eventually burst and scab over. They are usually found near the border of the lips or mouth.