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Cyclic vomiting syndrome

Other Names for this Disease
  • CVS
  • Familial cyclic vomiting syndrome (subtype)
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Cyclic vomiting syndrome (CVS) is a disorder with recurrent episodes of severe nausea and vomiting interspersed with symptom free periods.[1][2] The cycles of severe nausea and vomiting can last for hours or even days. Each episode is similar to the previous ones. The episodes tend to start at about the same time of day, last the same length of time, and present the same symptoms at the same level of intensity.[2] Although cyclic vomiting syndrome can begin at any age in children and adults, it usually starts between the ages of 3 and 7. Although the underlying cause of cyclic vomiting syndrome is not known, some cases appear to be to be linked to migraines. Treatment with migraine medications often helps.[2][3] 


Last updated: 12/19/2013


  1. Cyclic Vomiting Syndrome in Adults. International Foundation for Functional Gastrointestinal Disorders (IFFGD). October 10, 2013; Accessed 12/19/2013.
  2. Cyclic Vomiting Syndrome. National Digestive Diseases Information Clearinghouse (NDDIC). April 23, 2012; Accessed 12/19/2013.
  3. Cyclic vomiting syndrome. April 19, 2013; Accessed 12/19/2013.
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