Cyclic vomiting syndrome is a disorder characterized by repeated episodes of nausea and vomiting that last for hours to days separated by symptom-free periods of variable length. In adults, the disorder has been described as consisting of episodes of nausea and vomiting lasting for three to six days in a patient-specific stereotypic pattern.
GLOSSARY
Nausea Symptoms resulting from an inclination to vomit.
Syndrome A medical condition characterized by a collection of related symptoms (what the patient feels) and signs (what a doctor can observe or measure).
