Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for Cyclic Vomiting Syndrome ?
    ### Response:
    - Cyclic vomiting syndrome, sometimes referred to as CVS, is an increasingly recognized disorder with sudden, repeated attacksalso called episodesof severe nausea, vomiting, and physical exhaustion that occur with no apparent cause.  - The disorder can affect a person for months, years, or decades.
    