Cyclic Vomiting Syndrome (CVS) is a condition in which a person suffers from severe attacks of nausea and vomiting. CVS was first noted by Samuel Gee in 1982. Although a long time has passed, doctors are still unable to determine what causes CVS. Adults and children are equally vulnerable to this condition -- which is periodic. However, treatments are available for CVS sufferers. This book outlines the causes for CVS, tests to diagnose the condition and treatment options.