A 9-Year-Old Girl Has a History of Frequent Vomiting and Her

A 9-year-old girl has a history of frequent vomiting and her mother has frequent migraine headaches. The child has recently begun having more frequent and prolonged episodes accompanied by headaches. An exam reveals abnormal eye movements and mild ataxia. What is the correct action?

A) Begin using an anti-migraine medication to prevent headaches.
B) Prescribe ondansetron and lorazepam to help manage symptoms.
C) Reassure the parent that this is expected with cyclic vomiting syndrome.
D) Refer to a pediatric gastroenterologist for further workup.