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First Aid & Emergencies

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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. Wash the area with soap and water. Do not use alcohol, iodine, or any other cleanser.
  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. Apply an antibiotic ointment and a clean bandage. If the skin under the bandage begins to itch or a rash develops, stop using the ointment. The ointment may be causing a skin reaction.
  4. Change the bandage once a day or whenever it gets wet or dirty. Remove it at night to let the area dry.

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: June 04, 2014
    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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