Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Cough ?
    ### Response:
    Your doctor will diagnose the cause of your cough based on your medical history, a physical exam, and test results.
                
Medical History
                
Your doctor will likely ask questions about your cough. He or she may ask how long you've had it, whether you're coughing anything up (such as mucus, a slimy substance), and how much you cough.
    