Symptoms
By Mayo Clinic staffCyclic vomiting syndrome causes:
- Severe vomiting
- Nausea
- Loss of appetite
- Gagging
- Pale complexion, often appears before a vomiting episode
- Extreme fatigue
These signs and symptoms may occur an average of six times an hour. Episodes in children generally last only a day or two, but adults can have symptoms for almost a week. Adults tend to have about four episodes a year, while children may have 10 or more. Episodes typically begin late at night or early in the morning.
In addition, some people with cyclic vomiting syndrome may develop:
- Sensitivity to light
- Headache
- Fever
- Dizziness
- Diarrhea
- Abdominal pain
- Dulude E, et al. Cyclic vomiting syndrome. http://www.uptodate.com/home/index.html. Accessed Sept. 26, 2010.
- Li BU, et al. North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition consensus statement on the diagnosis and management of cyclic vomiting syndrome. Journal of Pediatric Gastroenterology and Nutrition. 2008;47:379.
- Cyclic vomiting syndrome. National Institute of Diabetes and Digestive and Kidney Diseases. http://digestive.niddk.nih.gov/ddiseases/pubs/cvs/CyclicVomitingSyndrome.pdf. Accessed Sept. 26, 2010.
- Pareek NP. Cyclic vomiting syndrome: What a gastroenterologist needs to know. American Journal of Gastroenterology. 2007;102:2832.

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