Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Paroxysmal extreme pain disorder ?
    ### Response:
    Paroxysmal extreme pain disorder is a form of peripheral neuropathy characterized by skin redness and warmth (flushing) and attacks of severe pain in various parts of the body. Early in life, the pain is often concentrated in the lower part of the body and may be triggered by a bowel movement.
    