Hyperemesis gravidarum (HG) is a severe form of pregnancy sickness which can start early in pregnancy and last for months.

Symptoms of severe pregnancy sickness

Symptoms of hyperemesis gravidarum include extreme levels of nausea and vomiting, which can cause dehydration.

Find out more about severe vomiting in pregnancy.


To be referred to the clinic, please speak to your midwife or GP

Treatment for severe pregnancy sickness

If you have severe pregnancy sickness and are not getting better with medicine. The day clinic offers rapid IV rehydration for severe pregnancy sickness based on Gynaecology Ward 9A, Tower block, Women’s Centre at Gloucestershire Royal Hospital.

Treatment is offered 7 days a week, from 8am to 6pm

You will usually be treated as a day case. The service offers rapid IV rehydration in recliner chairs, which should allow you to go home the same day.

  • no delays in starting treatment, as you will not have to wait for a bed
  • a quiet, comfortable area with recliner chairs
  • advice on how to manage your symptoms from dedicated nursing staff
  • treatment can be planned in advance, so you can arrange it around other commitments

You can find out more information about severe pregnancy sickness on the Pregnancy Sickness Support website.