Blisters

A blister is a vesicle created by the separation of different layers of skin that fills with clear fluid or sometimes blood. A blood blister forms when blood vessels within the blister are broken. Blisters result from a pinch bruise or constant friction, as in the case of poorly fitting shoes. Most blisters occur on the bottoms of the feet and back heel area.

Moist skin produces blisters most easily, with very dry and very wet skin most protective against blister formation. Antiperspirants and powders don’t prevent blisters, but acrylic socks may offer additional protection. Rather than look for products and materials that reduce blister incidence, it’s best to obtain the best-fitting shoes and socks, which are the best prevention against blisters.

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There are two important factors regarding blisters. First, if you get one, it means something is not right and you need to find the cause of the problem. If it’s improperly fitted shoes, change them immediately. The second factor is that if you get a non-traumatic blister—such as the common types seen from poor shoe fit—it often precedes an injury. The blister is a sign that you have a significant imbalance. Making the necessary changes immediately can prevent further problems.

If you’re new to being barefoot and you get a blister, it may just be that you have not yet adapted by thickening the skin. In this case, more slowly accustom yourself to being barefoot.

Draining the blister with light puncture after a day may result in the best outcome and least discomfort, but be sure the area remains clean and free of chemicals.

Ultrarunners and adventure racers have a novel way of treating blisters. They often use duct tape since the tape adheres to itself and not to the damaged skin area.