Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Hypocomplementemic urticarial vasculitis syndrome ?
    ### Response:
    Hypocomplementemic urticarial vasculitis (HUV) is a rare form of cutaneous small-vessel vasculitis characterized by recurrent episodes of urticaria and painful, tender, burning or itchy skin lesions, often associated with extracutaneous involvement but usually with no significant peripheral nerve damage.
    