Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Dominant dystrophic epidermolysis bullosa ?
    ### Response:
    Dominant dystrophic epidermolysis bullosa (DDEB) is a type of epidermolysis bullosa (EB), which is a group of rare inherited conditions in which the skin blisters extremely easily. DDEB is one of the milder forms of EB, although the severity is variable. Blisters may be present at birth, but typically appear during early childhood; occasionally they do not develop until later in life.
    