How should I manage a vomiting episode?

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 dehydration eitherwater, diluted squash, diluted fruit juice or semi-skimmed milk.

Read about treating dehydration .

After the vomiting attack has finished:

  • drink plenty of fluids and gradually resume your normal diet
  • take any medicines prescribed to prevent future episodes

A child or adult who has been diagnosed withCVSwill usually be under the care of a specialist, such as a gastroenterologist.


Drug treatment tends to be a process of trial and error. The patient may be given any of the following:

  • medicine to prevent nausea and vomiting such as ondansetron
  • medicinefor abdominal pain such as ibuprofen
  • medicine to control stomach acid production such as ranitidine, lanzoprazole or omeprazole; find out more about these medicines
  • migraine treatments such as sumatriptan andpropranolol; read about medicine to relieve the symptoms of migraine and prevent migraine

It may take a while to find a medicine or combination of medicines that work, as not all these treatments work for everyone.

Hospital treatment

If nausea and vomiting is severe, hospital admission may be necessary. Medicine and fluids may need to be given intravenously (directly into a vein) to relieve symptoms and prevent dehydration. Nutrition may also need to be given intravenously if vomiting continues for days.

Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018