Cyclical vomiting syndrome with bilateral epileptiform discharges.

Cyclical vomiting syndrome is a paroxysmal, condition characterized by recurrent severe episodes of vomiting lasting for hours to days, with variable intervals of normal health in between with no apparent cause of the vomiting. We hereby report a 10 yr old girl with cyclical vomiting syndrome with multiple, bisynchronous occipitally predominant, bilateral epileptiform discharges representing a diagnostic confusion.