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Symptoms of hyperemesis gravidarum (HG) can include:

  • sickness
  • vomiting forcefully and often
  • tiredness
  • extra saliva

When to get medical help

If you have severe sickness and vomiting, see your GP before you become dehydrated or lose weight.

Go urgently to your GP or contact your maternity hospital if you:

  • can't keep down any fluids for 24 hours
  • feel dizzy or faint
  • are losing weight
  • are urinating a dark colour
  • are urinating less than normal
  • have not passed urine for 8 hours
  • feel pain when urinating
  • have blood in your urine
  • are vomiting blood

page last reviewed: 17/05/2019
next review due: 17/05/2022