Cyclical vomiting syndrome
A GPwill take their patient's family and medical history, and a full account of their symptoms.
A child may be suspected to haveCVSif the following apply:
Similarly, an adult may haveCVSif they have hadthree or more vomiting episodes in the past year that have each been similar, with no nausea or vomiting between episodes.
Thehigh frequency of vomiting, and the fact that it often starts at night or early morning, are clues that the cause may beCVSand not another condition.
Blood or urine tests may be carried out (to rule out infection or kidney problems), and scans such as an endoscopy or abdominal ultrasound, to see if there is an abnormality in the digestive tract.
Only after other conditions have been ruled out will a diagnosis ofCVSbe made. At this stage, the patient may have been referred to a gastroenterologist (specialist in digestive system disorders).
NHS Choices information about cyclical vomiting syndrome, with links to other useful resources.
Someone withCVSwill go through a regular cycleof feeling ill, recovering, feeling well and then feeling ill again. This cycle is made up of four phases: 1. Prodrome phase : feeling that an episod
The cause ofCVSis currently unknown, but there may be a link with migraines . Many people withCVSdevelop migraines,and migraine medicines have been shown to help treat the syndrome. Vomiting episodes
CVS is most commonly seen in children it's usually diagnosed at ages three to seven. Children who suffer migraines and sensitivity to light and sound are more likely to develop the condition. CVS c
A GPwill take their patient's family and medical history, and a full account of their symptoms. A child may be suspected to haveCVSif the following apply: they havehad at least five vomiting episod
When a vomiting episode starts, it's a good idea to stay in bed in a dark, quiet room and take any medicines prescribed for this stage of the cycle. Keep taking small sips of fluid to prevent dehydra
It may be possible to prevent or lessen vomiting attacks by: avoiding known triggers such as certain foods getting enough sleep treating any sinus problems or allergies tackling any stress o
Severe vomitingepisodes can lead to: dehydration oesophagitis (inflammation of the gullet lining) a tear in the lining of the gullet tooth decay gastroparesis (where the stomach cannot empt
Cyclical Vomiting Syndrome Association UK