Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Acute febrile neutrophilic dermatosis ?
    ### Response:
    What causes acute febrile neutrophilic dermatosis? In many cases, the cause of acute febrile neutrophilic dermatosis is unknown (idiopathic). But sometimes, it can be a sign of an immune system response to one of the following: An upper respiratory tract in
    