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What to Eat When Hyperemesis Makes Almost Everything Impossible

by Samaira Farid,
Dr Rebeccah Tomlinson
Medically reviewed by Dr Rebeccah Tomlinson
A domestic kitchen scene featuring a dining table with food, an open cookbook, and various kitchen utensils.
The information in this article is for general informational purposes only and does not substitute for professional medical or dietary advice, particularly during pregnancy. If you are outside the UK, please consult your local doctor, midwife, or healthcare provider for guidance that reflects your country's recommendations.

The nausea that does not pass, the retching before you have even sat up, the way the smell of almost any food makes things worse. When you have hyperemesis gravidarum, eating is not about choices in any normal sense. Hyperemesis gravidarum (HG) is a severe form of pregnancy sickness, more extreme than the morning sickness most people link with early pregnancy. It brings constant, intense nausea and vomiting that can stop you keeping down food or drink. The gap between what you know you are meant to eat and what you can actually manage can feel huge, and upsetting. This article does not close that gap with a meal plan. It focuses on what is actually doable when almost nothing stays down.5

HG affects around 1 to 3 in every 100 pregnant women. If you have it, you are dealing with a serious medical condition that deserves proper support.6

Hydration comes first

When you are struggling to keep anything down, staying hydrated matters more than anything else right now. Sipping fluids slowly and often through the day tends to sit better than trying to drink a lot at once. Small, regular sips give your stomach less to react to.1

If plain water is hard to keep down, you might find it easier to suck on ice cubes or ice lollies, sip flat fizzy drinks or flavoured water, or eat foods with a high water content like melon. Flat fizzy drinks sit better than still water for some people, and do little for others. There is no single right answer here. Finding what you can keep down is the goal.7

Woman holding a glass of water in her hand while wearing a white top.

Hyperemesis gravidarum eating: survival is the goal

When HG is at its worst, the aim shifts completely. What matters becomes keeping down whatever food or drink you can, so you get some calories and fluids in, rather than eating a balanced diet. This is sometimes called survival eating, and it is the right approach during the acute phase. The idea that you should be managing well-rounded, nutritious meals does not apply when you cannot keep a cracker down.9

As symptoms ease, even a little and only for a while, you can come back to nutritional balance. During the hardest stretches, anything that stays down is enough.

What to try when almost nothing stays down

Eating small amounts often can help. An empty stomach can make nausea worse, so even a few bites at a time counts. Bland, starchy foods tend to sit better than rich or strongly flavoured ones. Crackers, dry toast, and plain potatoes are often manageable, though what works shifts from person to person. No single food helps everyone with HG.2

Cold or cool foods may be easier to manage because they smell less, and smell can be one of the hardest parts of HG to cope with. If the thought of a hot meal is enough to bring on nausea, cold options are worth a try: cold pasta, plain crackers, chilled fruit, or anything from the fridge you can keep down. Whatever your body accepts, at whatever temperature, is the right thing to eat.3

You do not have to eat anything in particular. If the only things you can keep down today are plain crackers and ice lollies, that is what today looks like.

A pregnant woman holding a bowl of fruit.

When to seek medical support

HG is a medical condition that needs medical care. The strategies here are there to support you through it, and they do not stand in for treatment. Call your GP, midwife, or hospital if you cannot keep any food or fluids down because of severe vomiting. Losing more than 5% of your pre-pregnancy body weight is a sign the condition has become severe and needs assessment by a healthcare professional.4

Severe HG sometimes means a hospital stay, where you can be given fluids through a drip to treat dehydration, along with anti-sickness medication through a drip or injection. Going into hospital for HG is a standard, effective step that helps you recover.10

The emotional weight of HG

How relentless HG is can wear you down emotionally as much as physically. Feeling isolated, anxious, or misunderstood is common. If you are struggling in your mind as well as your body, it is worth raising with your GP or midwife. Talking to others who have lived through HG can ease that sense of isolation too. Pregnancy Sickness Support is a charity that offers peer support from people who have been through HG themselves.11

Frequently Asked Questions

Sources

  • [1] Coping Strategies

    Preventing dehydration is the first priority when managing HG; it is best to sip fluids slowly and frequently throughout the day rather than drinking large amounts at once.

  • [2] Vomiting and morning sickness

    Eating small amounts frequently can help manage nausea, with bland, carbohydrate-rich foods like crackers, dry toast, or plain potatoes often being better tolerated.

  • [3] Vomiting and morning sickness

    Cold or cool foods may be easier to tolerate as they produce fewer smells, which can be a significant trigger for nausea in people with HG.

  • [4] The Management of Nausea and Vomiting in Pregnancy and Hyperemesis Gravidarum (Green-top Guideline No. 69)

    Losing more than 5% of your pre-pregnancy body weight is a clinical indicator of severe HG and requires medical assessment.

  • [5] Severe vomiting in pregnancy

    Hyperemesis Gravidarum (HG) is a severe form of pregnancy sickness, distinct from 'morning sickness', characterised by persistent, extreme nausea and vomiting that can prevent a person from keeping down food or drink.

  • [6] Severe vomiting in pregnancy

    Hyperemesis Gravidarum is estimated to affect approximately 1 to 3 in every 100 pregnant women.

  • [7] Coping Strategies

    If plain water is difficult to tolerate, try alternatives such as sucking on ice cubes or ice lollies, sipping flat fizzy drinks or flavoured water, or eating foods with high water content like melon.

  • [8] Severe vomiting in pregnancy

    Seek urgent medical help if you have been unable to keep any food or drink down for 24 hours, or if you show signs of dehydration like dark-coloured urine, dizziness, or feeling very tired.

  • [9] Hyperemesis Gravidarum — UHCW NHS

    When experiencing HG, the priority is 'survival eating' — consuming any food or drink that can be kept down to get calories and hydration, rather than trying to maintain a balanced diet.

  • [10] Severe vomiting in pregnancy

    Severe cases of HG may require hospital admission for treatment with intravenous (IV) fluids to correct dehydration and anti-sickness medications given via a drip or injection.

  • [11] Coping Strategies

    Charities such as Pregnancy Sickness Support offer peer support from people with personal experience of HG, which can help reduce feelings of isolation.