Cyclic Vomiting Syndrom

Do you have recurring attacks of intense nausea, vomiting, with or without abdominal pain, headaches, or migraines? Does these attacks come again and again, without any apparent cause? Have you ever heard of Cyclic Vomiting Syndrome?

Help Fund CVSA Nordic


Cyclic vomiting syndrome (CVS), eller sykliske brekninger som det heter på norsk, er en kronisk funksjonell sykdom uten kjent årsak.

 learn more


Cyclic Vomiting Syndrome (CVS) eller cykliska kräkningar som det kallas på svenska, är en kronisk funktionell sjukdom utan känd orsak.

 learn more


Cyclic vomiting syndrome eller cyclical vomiting syndrome (CVS) er en kronisk funktionel tilstand af ukendt årsag

 learn more


Syklinen oksennusoireyhtymä (cyclic vomiting syndrome) on krooninen toiminallinen oireyhtymä, jonka alkusyytä ei tiedetä.

 learn more


yclic vomiting syndrome eða cyclical vomiting syndrome (CVS) er krónískur sjúkdómur sem hefur óþekkt/óútskýrð upptök.

 learn more


Cyclic vomiting syndrome or cyclical vomiting syndrome (CVS) is a chronic functional condition of unknown cause characterised by recurring attacks of intense nausea an vomiting

 learn more

Join us

By joining you make us all stronger. Working together we can do more, achieve more.



Nok  x / mo.

  • Give a monthly donation of your choosing



Nok  250  / mo.

  • Access to all our articles
  • Access to members only facebook group
  • 4 Newsletters per year
  • Group membership for up to 5 people in one household
Sign UP

Our services

CVSA Nordic is an all-volunteer organization. No one working here makes any money from this job. We offer the following services 

Our mission statement

Information in your own language

Members-only Facebook group

4 Newsletters pr year

In-Depth information on CVS

What is CVS?

Cyclic vomiting syndrome, or cyclical vomiting syndrome, (CVS) is a chronic functional condition of unknown cause characterized by recurring attacks of intense nausea…

Read More

Pathophysiology and Etiology

Even though the etiology and pathophysiology of CVS are not known, studies have suggested several potential brain-gut mechanisms…

Read More

Cyclic Vomiting Syndrome and Mitochondrial Dysfunction and treatment

Mitochondria are small organelles within the cell responsible for energy production and other critical …

Read More

CVS subgroups

Subcategories of CVS have been identified, including CVS plus, catamenial CVS, and Sato’s
variant of CVS…

Read More

Treatment of CVS

Although limited data exist on treatment outcomes in children and adults with CVS, a NASPGHAN consensus…

Read More

CVS Plus

Cyclic vomiting syndrome is characterized by severe discrete episodes of nausea, vomiting, and lethargy. Approximately 25% of cases have coexisting…

Read More

Adult CVS

It has long been thought that CVS was a condition of childhood and adolescence. Now we know that adults also suffer from CVS. There is CVS that begins in childhood and may extend into adulthood…

Read More

Adult CVS and confusion with Cannabinoid Hyperemesis Syndrome

Adult CVS and confusion with Cannabinoid Hyperemesis Syndrome Coinciding with the increasing rates of cannabis …

Read More

Cyclic vomiting syndrome and abdominal migraine

Both cyclic vomiting syndrome and abdominal migraine are relatively unusual conditions that present with recurrent and severe paroxysmal vomiting or abdominal pain, separated..

Read More