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    Broken Blisters: Home Treatment - Topic Overview

    It's best not to drain a blister at home. But when blisters are painful, some people do drain them. If you drain your blister or if it has torn open, be sure to follow these steps:

    1. Gently wash the area with clean water. Don't use hydrogen peroxide or alcohol, which can slow healing.
    2. Don't remove the flap of skin over a blister unless it's very dirty or torn or there is pus under it. Gently smooth the flap over the tender skin.
    3. You may cover the area with a thin layer of petroleum jelly, such as Vaseline, and a nonstick bandage.
    4. Apply more petroleum jelly and replace the bandage as needed.

    Watch for a skin infection while your blister is healing. Signs of infection include:

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    • Increased pain, swelling, redness, or warmth around the blister.
    • Red streaks extending away from the blister.
    • Drainage of pus from the blister.
    • Fever.

    WebMD Medical Reference from Healthwise

    Last Updated: February 23, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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