Which description best characterizes cyclic vomiting syndrome?
A progressive disease resulting in constant severe abdominal pain and vomiting, worsening over time.
A disorder characterized by episodes of severe vomiting that occur for no apparent reason, separated by periods without symptoms.
A chronic condition where the patient experiences daily nausea and occasional vomiting that often happens in the morning.
An acute infectious disease with severe vomiting lasting for 2 to 3 weeks followed by rapid recovery.