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2. Cold Sore Symptoms

Symptoms of cold sores include tingling, itching, and burning sensations near the lips and nose. Then, the infection develops into visible sores, generally a cluster of red blisters filled with fluid. The blisters can be tender to touch and remain for up to 14 days. A cold sore outbreak may also lead to fever, muscle pain, and enlarged lymph nodes. In most people who chronically develop cold sores, the blisters appear in the same spot and become less painful over time.

cold sore near lips belchonock / Getty Images
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