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    Understanding Cold Sores -- Symptoms

    What Are the Symptoms of Cold Sores?

    The symptoms of cold sores include:

    Understanding Cold Sores

    Find out more about cold sores:

    Basics

    Symptoms

    Treatment

    • Fluid-filled blisters or red, painful, burning or itching sores that are typically on or near the mouth, or on fingers
    • Swollen, sensitive gums of a deep red color
    • A fever, flu-like symptoms, and swollen lymph nodes in the neck often accompanying the first attack; recurrent sores usually don't produce these symptoms.
    • Tingling and itching in the area of a previous outbreak

    Picture of Cold Sores (Fever Blisters)

    Call Your Doctor About Cold Sores If:

    • You develop a high fever or chills; high fevers can be dangerous.
    • Your sores are very painful; you may be able to get prescription relief.
    • Your cold sores start to spread; antiviral agents may be needed.

    WebMD Medical Reference

    Reviewed by Debra Jaliman, MD on March 13, 2015

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