What causes blisters on the feet?
Last reviewed Tue 31 October 2017
By Jennifer Huizen
Blisters are fluid-filled pockets that develop in the top layer of the skin in response to injury or infection. Blisters usually occur over damaged areas to cushion them from further harm.
Most blisters develop where the outermost layer of skin is very thick, such as on the hands and feet.
https://www.medicalnewstoday.com/articles/319878.php
