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Definition
By Mayo Clinic staffCyclic vomiting syndrome causes bouts of severe nausea and vomiting that can last for days. The disorder, which has no known cause, may affect as many as one in 50 children. Once thought to affect primarily girls, cyclic vomiting syndrome is now believed to affect boys and girls equally.
Symptoms typically begin between the ages of 3 and 7 years. While the disorder occurs most often in children, cyclic vomiting syndrome can begin at any age. Adult episodes tend to occur less often than episodes do in children, but usually last longer.
Cyclic vomiting syndrome appears to be associated with migraines in some cases. Most children outgrow cyclic vomiting syndrome when they're teenagers. However, children with this condition are at increased risk of migraines as adults.
- Dulude E. Cyclic vomiting syndrome. http://www.uptodate.com/online/content/topic.do?topicKey=gi_dis/26569&selectedTitle=1~6&source=search_result. Accessed Oct. 8, 2008.
- Cyclic vomiting syndrome. National Digestive Diseases Information Clearinghouse. http://digestive.niddk.nih.gov/ddiseases/pubs/cvs/index.htm. Accessed Oct. 8, 2008.
- Di Lorenzo C. Approach to the child with nausea and vomiting. http://www.uptodate.com/online/content/topic.do?topicKey=pedigast/7584&selectedTitle=3~6&source=search_result. Accessed Oct. 8, 2008.
- Pareek NP. Cyclic vomiting syndrome: What a gastroenterologist needs to know. American Journal of Gastroenterology. 2007;102(12):2832-2840.
- Hoecker JL [expert opinion]. Mayo Clinic, Rochester, Minn. Oct. 14, 2008.
