After you have drained a blister, or if it has torn open:
Wash the area with soap and water. Do not use alcohol, iodine, or any other cleanser.
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.
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
Change the bandage once a day or anytime 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:
Increased pain, swelling, redness, or warmth
around the blister.
Red streaks extending away from the
Drainage of pus from the blister.
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
December 10, 2012
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this