Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Idiopathic Pulmonary Fibrosis ?
    ### Response:
    The signs and symptoms of idiopathic pulmonary fibrosis (IPF) develop over time. They may not even begin to appear until the disease has done serious damage to your lungs. Once they occur, they're likely to get worse over time.
                
The most common signs and symptoms are:

    