Cyclical vomiting syndrome
Cyclical vomiting syndrome (CVS) is a rare vomiting disorder most commonly seen in children, although it can affect adults too.
Someone with CVS will frequently feel very sick and will vomit forhours, or even days, at a time.
They will then recover from the episode and feel perfectly well, before experiencing another episode perhaps a month or so later.
These vomiting attacks are not explained by an infection or other illness.
CVS canaffect a person for months, years or even decades. Symptoms can beso severethat some sufferers may need tostay in bed and be treated in hospital during an episode.
It can be afrightening condition that affects everyday life, butthe cycle is possible to manage with lifestyle changes and medication.
Read on to find out the answers to the following:
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