Recurrent Nausea and Vomiting: What Cause?

A 21-year-old college student has presented multiple times with nausea and vomiting during the last 4 years. Upper endoscopy showed residual food in the stomach. Cyclical vomiting syndrome? Something else?

A 21-year-old college student presents with nausea and vomiting. She has had multiple presentations with similar complaints during the past 4 years. She recalls “catching a stomach virus” a few years ago, but is otherwise healthy. Results of a head CT scan are negative. Upper endoscopy shows some residual food in the stomach even though the patient’s last meal was the night before. The most likely diagnosis is which of the following?

A. Recurrent gastroenteritis
B. Cyclical vomiting syndrome
C. Gastroparesis
D. Carcinoid syndrome

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