Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Indigestion ?
    ### Response:
    To diagnose indigestion, the doctor asks about the person's current symptoms and medical history and performs a physical examination. The doctor may order x rays of the stomach and small intestine.
                
The doctor may perform blood, breath, or stool tests if the type of bacteria that causes peptic ulcer disease is suspected as the cause of indigestion.
    