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Friction Blisters Definition: A friction blister is a build up of fluid or blood between the epidermis and dermal layer of skin caused by shearing forces applied to the skin.

Causes include:

  • Ill fitting shoes (socks)
  • Skin moisture
  • Pressure points on the foot


  • Drainage using a sterile instrument (pin or knife cleaned with alcohol)
  • Leave roof of blister intact
  • Apply antibiotic dressing


  • Reduce perspiration by applying topical antiperspirant
  • Identify areas of friction and pad them with moleskin
  • Check shoe fit
  • Wear socks that wick away moisture (polypropylene)
  • Apply Vaseline to areas of friction

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Hospital Affiliations

midwest orthopadic speciality hospital wheaton franciscan healthcare wheaton franciscan healthcare columbia st mary's childrens hospitel of wisconsin surgicenter of greater milwaukee wisconsin health center aurora health care


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