Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) dystrophic epidermolysis bullosa ?
    ### Response:
    Epidermolysis bullosa is a group of genetic conditions that cause the skin to be very fragile and to blister easily. Blisters and skin erosions form in response to minor injury or friction, such as rubbing or scratching. Dystrophic epidermolysis bullosa (DEB) is one of the major forms of epidermolysis bullosa.
    