The differences between burn degrees has to do with the depth of the burn. How much of the thickness of the skin was burned? If only the surface of the skin, the top layer, was burned, we call that a first degree. First degree burns like this one are red, irritated and dry. They don't blister. Blistering indicates the burn got deep enough to injure the second layer of skin. When that happens, the skin layers start to separate, which leads to blistering.
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Any opinions expressed here are for educational purposes only and are not intended for diagnosis.


