Medically reviewed by William Truswell, MDMedically reviewed by William Truswell, MD Most people have had blisters—painful or itchy bubble-like pockets of skin filled with fluid. A common type of ...

The primary cause of blisters on the feet is friction that arises from poorly fitting footwear or constant rubbing or chafing. Burns, insect bites, allergic reactions, skin conditions, and certain ...

Blisters can set you back miles or even end a trip, and they don’t go away after your first shower back in civilization. Hikers frequently debate the merits of the age-old question: to pop or not to ...