Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Parsonage Turner syndrome ?
    ### Response:
    What are the signs and symptoms of Parsonage Turner syndrome? Parsonage Turner syndrome is usually characterized by the sudden onset of severe pain in the shoulder and upper arm, which is often described as sharp or throbbing. In some cases, the pain may extend to the neck, lower arm and/or hand on the affected side.
    