Blood Blisters: Blood blisters are caused when the blood vessels under the surface of the skin are ruptured. The most common cause of this rupturing is some form of trauma, such as hitting your thumb with a hammer, to the area. They frequently occur in areas that regular blisters occur. The feet are most prone to blood blisters due to poorly sized footwear. The hands are also susceptible for this type of blister, .
Answered 7/15/2018
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