Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Bartter syndrome ?
    ### Response:
    What are the signs and symptoms of Bartter syndrome? The signs and symptoms associated with Bartter syndrome can vary depending on the form of Bartter syndrome an affected individual has. The antenatal forms (beginning before birth) can be life-threatening, while the classical form, beginning in early childhood, tends to be less severe.
    