If a blister has broken, popped, or torn open, the following home
treatment measures may help prevent
Wash your hands with soap and water. Do not touch
the broken blister with your hands or any unclean object. Broken blisters can
easily become infected. If medical gloves are available, use them when touching
Wash the area with soap and water. Pat it dry with
Remove the flap of skin covering the blister only if
it is torn or dirty or pus has formed under it. Use clean scissors to cut off
the flap. If the blister has just a tiny puncture or break, leave the flap of
skin on and gently smooth it flat over the tender skin
Put an antibiotic ointment such as polymyxin B or
bacitracin on the blister. The ointment will prevent the bandage from sticking
to the blister and may help prevent infection. Do not use an ointment if you
know you are allergic to it.
Put on a sterile bandage or gauze.
Use a loose bandage. Secure the bandage so
the tape does not touch the blister. Do not wrap tape completely around a hand,
arm, foot, or leg because it could cut off the blood supply if the limb swells.
Also, if the tape is too tight, you may develop symptoms below the level of the
tape, such as numbness, tingling, pain, or cool and pale or swollen
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 every day and any time it gets wet or
dirty. This will reduce the chance of infection. If desired, soak the bandage
in cool water just before removing it to make it less painful to take
Remove the bandage at night to let the area dry.
Do not use alcohol or iodine on the blister because
these may delay healing.
Avoid wearing the shoes or doing the
activity that caused a friction blister until the blister heals.
Watch for signs of a skin infection while your blister is healing.
Signs of infection include: