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How To Treat a Blister


Updated June 06, 2014

Draining a Blister

Draining a Blister

Wendy Bumgardner ©

If you get blisters on your toes, heels or other areas of your feet from walking or running, here are the steps to treat them.

Difficulty: Average

Time Required: 5 minutes

Here's How:

  1. Swab the blister area with rubbing alcohol and it let air dry. Allowing it to dry both kills more bacteria on the skin and prevents the alcohol from causing stinging when you drain the blister.
  2. Sterilize a needle for 10 seconds in a flame.
  3. Puncture the edge of the blister near the skin.
  4. Apply gentle pressure to squeeze out the blister fluid.
  5. Do not remove the top of the blister or rub it off.
  6. Apply antibiotic ointment, but avoid alcohol or iodine.
  7. Cover the drained blister with sterile gauze or a bandage.
  8. Discard the needle into sturdy plastic or metal container.
  9. Change the gauze or bandage daily.
  10. If pus or redness develop, seek medical attention.


  1. Don't burn yourself in the flame - hold the needle in a tweezers or with a glove or potholder on your hand.
  2. Buy sterile blister prickers to keep in your first aid kit so you don't have to sterilize a needle.
  3. Small blisters do not need draining, just protect them and they will shrink and disappear.

What You Need:

  • Sterile needle or pricker
  • Antibiotic ointment
  • Rubbing alcohol
  • Bandage
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