Recurrent episodes of<unk> , otherwise normal health in between
32% of patients disabled by illness by time of diagnosis
Pathophysiology not well understood
Average age at onset ~21yo
Females slightly more affected than males
Marijuana use is risk factor
Cyclic vomiting syndrome
ACS/MI
Esophageal spasm
Boerhaave's
Refeeding syndrome
DKA
Gastric volvulus
Intracranial Hemorrhage