Blisters generally occur when an object moves across the skin in a manner that creates friction. On the hands, baseball bats and other handheld sports equipment cause blisters when they rub against delicate skin on the fingers and palm, causing the top layer of skin to separate from a lower layer. Fluid then collects between the layers of skin. Blisters are more likely to occur when the hands are sweaty or moist. Most blisters are easily treated at home. Rarely, blisters may become infected and develop into sepsis or cellulitis, two serious conditions that require immediate medical care.
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Stop using your blistered hand to hold the baseball bat as soon as you notice a blister forming. Continued friction will worsen blisters and delay healing.
Clean the blisters and the area around the blisters with soap and water to remove any dirt and bacteria.
Apply an antibiotic ointment to closed blisters and then cover with a sterile adhesive bandage.
Change the bandage whenever it becomes wet or soiled, and check the blisters several times each day to see if they are still closed.
Sterilize a needle by pouring rubbing alcohol over it, and then carefully lance any large and painful blisters to allow them to drain. It always best to leave blisters intact; drain them only when necessary due to size or for comfort.
Cover the lanced blisters with antibiotic ointment and a sterile adhesive bandage.
Rub a thin coating of petroleum on the bandage and then place a second bandage on top of the jelly. Do not place the petroleum jelly so that it interferes with bandage adhesion. The jelly coating ensures any friction caused by normal movement takes place between the bandage layers and does not affect the skin, thereby allowing the blisters to heal fast.