Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the complications of Cyclic Vomiting Syndrome ?
    ### Response:
    The severe vomiting and retching that define cyclic vomiting syndrome increase the chance of developing several complications, including dehydration, esophagitis, a Mallory-Weiss tear, and tooth decay.
                
- Dehydration may occur when a person does not replace fluids that were lost because of vomiting and diarrhea.
    