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

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.

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