Cyclic Vomiting Syndrome: Review and much more.


The cyclic vomiting syndrome (CVS), sometimes called abdominal migration, tends to occur in childhood.This causes episodes of recurrent nausea and vomiting, persisted in a few hours, days or weeks, generally with the resolution of the symptoms between episodes. The condition may be associated with a trigger, such as stress, fatigue or infection.Children who experience cyclical vomiting can have similar additional episodes of months or years later.

The key characteristic of CVS is that it is not caused by the disease of the gastrointestinal tract system (GI).It is estimated that it will affect 2% of children in children’s schools.

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What is cyclic vomiting syndrome?

The outstanding CVS effect is an episodiconous attack andVomiting, which are repeated periodically, as a rule, in the association with a trigger, which is not necessarily associated with the GI system.

The most common age in which CVS begins, from 3 to 7 years, and is more common among girls than children who reject Children who experience the condition that resorted by a teenager.But the symptoms of the CV can continue in adolescence and adulthood, and can begin at any age.

Symptoms of vomiting syndrome

Children with CV usually have episodes or cycles of nausea, vomiting and losses, which last several hours to several weeks. Children can be annoying while cleaning their teeth, looking at the food, thinking about food, or smelling food.

During the episode, children can also have reduced activity and decrease in appetite.They may also want to stay at home and get away from other children due to fear of shame if they are vomiting in front of their peers.

If the child does not have infection either, CVS symptoms do not include fever, diarrhea, pain or respiratory symptoms.


, which can accompany the nausea and vomiting in CV,They include:

  • Abdominal discomfort
  • Headache

  • Pale leather
  • Sunpot eyes for dehydration

After the end of the episode, children tend to be free of symptoms until the next time it happens.

When you get help

Usually, the CVs are not dangerous.But you need to strive for urgent medical care if your child has a one from the following signals:

  • severe dizziness
  • the inability to pass inexplicable
  • / li>
  • vomiting in the blood
  • Reduction of response capacity, or it is impossible to wake up
  • cramps or cramps

Cyclic vomiting phases of syndrome

Episodes CVS advances through several phases.Sometimes, when a child or his parents begin to recognize the phases, it may be easier to avoid triggers or relax so that the episode is not the same severe.

The phases include:

  • Prodrome : A child may feel patients , Dizziness or nausea softly.
  • vomiting : The child will be nausea, vomiting, smooth and may not be able to save food and drinks.
  • Recovery : Your child can begin to feel better, with an increase in appetite, but it may not be fully restored.
  • Good phase : No symptoms of CVS, although your child can avoid certain foods or other triggers.


It is believed that the CVs are caused by the GI function disorder, which can be mediated by the brain and hormones.

Most children with this condition have a family history of migraine, and many experts believe that two are connected. In fact, CVS are often treated with periactic (cyprogetadine) or slaville (amitriptyline), which are also used to treat pediatric migraines.

A study showed that more than half of the children establishing cyclical vomiting symptoms, adhered to migraines from headaches.


Usually, the CVs are deposited by certain triggers. As a general rule, a child who has CVS will be sensitive to specific, not different triggers.

  • Stress can cause the episode of CVS.A times, children and their parents may not admit that the child is experiencing stress, and the CVs are the only symptom.
  • tired, sleepy or aircraft, can accelerate the cycle of nausea and vomiting.
  • Some smells, especially the smell associated with unattant foods, can cause an episode.
  • Disease disease that can be caused by driving by car, plane, boat or American rollers.
  • , while the CVS are not , sometimes a child can experience cyclical vomiting during or after gastric flu.
  • becomes overheating or overheating, it can also be a trigger.


The cyclic vomiting syndrome is classified as a functional disorder GI . Symptoms are due to dysfunction of the digestive system, and not due to the structural problem.

The diagnosis is made through a typical symptom structure.Especially the fact that there are long periods without any symptoms in general. There is no specific evidence that can confirm the diagnosis.

Diagnostic tests during the CVS estimate are made to eliminate the capacity of other conditions that organic disorders , which have a structural basis.

Tests that can be done include: / P>

  • Cerebral visualization tests ,such as computerized scanning and magnetic tomography (CT) resonant display (MRI)
  • metabolic tests
  • ultrasound in the abdominal cavity
  • Gastrointestinal Superior TRACT X -Ray Series with a small small intestine (Ugi-SBFT), in which the contrast images appear, as it moves through the esophagus, the stomach and the small intestine

sometimes the diagnosis and treatment of this state van from hand,As the response to treatment helps confirm the diagnosis.

Conditions that can cause similar symptoms, but without periods without symptoms between episodes, include:

  • Congenital metabolic errors
  • Intestinal flexibility with Volvulus , condition,where the intestines move around and become confusing


The CVS treatment during the acute phase differs from the treatment during the chronic phase.Acute processing focuses on preventing problems such as dehydration. Long-term treatment focuses on preventing the repetition of episodes.

Very rarely, the tears of Weiss Mallria in Azofagus can lead to how hematamles can cause (vomiting of race).If your child vomits the blood, it is more likely that their pediatrician focus on a gastroenterologist.

Acute processing

The main complication of the cyclic vomiting is dehydration, which sometimes leads to the need for Hospitalization and IV liquids.

Processing may include:

  • resting in a quiet and dark room
  • IV Liquid if the child is dehydrated, for example,
  • medications, as , imitrex (sumatriptan) ,CatApres (clonidine), or benzodiazepines, which can prevent nausea and vomiting

during an acute episode of vomiting, the treatment is aimed at creating your child as comfortable as possible.

Chronic treatment

The best treatment for cyclic vomiting – prevention. If your child is diagnosed with cyclical vomiting, you can try to identify triggers that cause these episodes.

Drugs that are used to prevent cyclic vomitingoften with very good results,Different: / P>

  • Periactin (ciproheptadine)
  • Inderal (propanolol)
  • elavil (amitryptylline)

Avoid activators

Some people sing maintain the record ofCabezadolor To identify the triggers of the migraine, maintain the intricate magazine, can help you determine the factors that precede your baby CVS attacks so you can avoid them if possible.


Study studied the possibility of Use of vitamin B riboflavin of vitamin B for the prevention of cyclical vomiting.It is known that riboflavin is sometimes useful in the prevention of headaches by migraine .riboflavina is generally grains, as well as almonds, spinach and mushrooms.

A small European study in 2016 found that the treatment of children who were diagnosed with CVS with riboflavin for 12 months helped improve the state. While this study is very little for direct treatment at present, it may be useful to ask your pediatrician if adding this vitamin to your child’s treatment plan can be favorable.

Word of the Meds information received

Most children who have CV are very good and their symptoms have grown.There were no deaths recorded by the syndrome, although children sometimes, ultimately need hospitalization to treat dehydration.

Make a point of view of learning more about headaches by migraine in children, since they often differ from adults. And while your child is cooled to CVS, make sure you are familiar with dehydration symptoms and <.A> How to control vomiting in children.

Frequently Asked Questions (FAQ)

What causes chronic vomiting?

Chronic vomiting can be caused by GI anxiety, hormones or cerebral activation.In CVS, cyclical vomiting is considered caused by hormones and brain, although there are no dangerous medical problems associated with it.

How to stop the constant vomiting?

You can stop vomiting, avoiding triggers, which, as a rule, accelerate (like certain odors).Your health care provider can also assign medications to avoid nausea and vomiting.

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