Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Alopecia universalis ?
    ### Response:
    What are the signs and symptoms of Alopecia universalis? Alopecia universalis (AU) is characterized by the complete loss of hair on both the scalp and body. Most people with AU do not have other signs and symptoms, but some may experience a burning sensation or itching on affected areas.
    