The key to keeping fluids down is starting with very small sips, waiting between each one, and giving your stomach time to settle before you try. After your last episode of vomiting, wait 30 to 60 minutes before drinking anything. Then begin with tiny amounts, roughly a tablespoon at a time, every five minutes. Rushing this process is the most common reason fluids come right back up.
Wait Before You Drink Anything
Your stomach needs a rest period after vomiting. The muscles that pushed everything up are still irritated and reactive, so putting anything in too soon often triggers another round. Aim for at least 30 minutes of no intake after the last time you threw up. If nausea is still strong at that point, wait a full hour.
During this window, sit upright or prop yourself up at a 30 to 45 degree angle. Lying flat increases the chance of reflux and makes nausea worse. If you need to lie down, turn onto your left side, which keeps the opening between your stomach and esophagus higher than the stomach contents.
The Small Sip Method
Once your rest period is over, take a single small sip of fluid. For most adults, that means roughly half a teaspoon to a tablespoon. Wait five minutes. If it stays down, take another sip. Repeat. This slow, incremental approach works because your stomach can handle tiny volumes even when it’s inflamed, but a full gulp or a few ounces at once can stretch the stomach wall enough to trigger the vomiting reflex again.
If you tolerate sips for 30 to 60 minutes without vomiting, gradually increase the amount. Move from a tablespoon to a couple of tablespoons, then to small, steady drinks. Most people can work up to drinking normally within a few hours using this approach. If vomiting returns at any point, stop, wait another 30 to 60 minutes, and start the sip cycle over.
What Temperature Works Best
Cold fluids calm your stomach more effectively than warm or hot ones. Research published in the European Journal of Nutrition found that cold water (around 2°C, or just above ice-cold) significantly reduced the frequency of stomach contractions compared to body-temperature or hot water. The effect lasted for at least an hour after drinking. Fewer contractions means less churning, which means less chance of triggering nausea.
Sucking on ice chips is one of the easiest ways to use this to your advantage. Each chip delivers a tiny, controlled amount of very cold liquid. It also slows you down naturally, since you can’t gulp an ice chip. Popsicles made from clear fluids work the same way and add a small amount of sugar, which can help with energy and absorption.
Which Fluids to Choose
Not all fluids are equally easy to keep down, and not all replace what you’ve lost. When you vomit, you lose water, sodium, potassium, and other electrolytes. Plain water replaces only the water. An oral rehydration solution is specifically designed with a balance of sodium, potassium, and glucose that helps your intestines absorb water far more efficiently than plain water alone. Products like Pedialyte or store-brand equivalents follow this formula.
If you don’t have a rehydration solution on hand, here are reasonable alternatives in rough order of effectiveness:
- Clear broth: provides sodium and is gentle on the stomach
- Diluted juice (half juice, half water): provides some sugar without being too concentrated
- Flat ginger ale or flat cola: the carbonation can irritate your stomach, so let it go flat first
- Plain water: better than nothing, but won’t replace electrolytes
Avoid milk, coffee, alcohol, and anything acidic like orange juice. Full-strength sports drinks contain more sugar and less sodium than oral rehydration solutions, so they’re not ideal, but they’re better than plain water if it’s all you have.
Using Ginger to Settle Nausea First
If nausea is so intense that even tiny sips feel impossible, ginger can help take the edge off. A meta-analysis of six clinical trials found that 1 gram of ginger per day, divided into three or four doses, significantly reduced nausea and vomiting. Doses above 1.5 grams daily didn’t work better and sometimes caused heartburn.
The most practical forms are ginger tea (steep a thumb-sized piece of fresh ginger in hot water for 10 minutes, then let it cool), ginger chews, or ginger capsules. Even smelling ginger essential oil has shown some effect on nausea in clinical settings. If you’re using capsules, aim for 250 mg to 500 mg per dose, taken 30 minutes before you attempt to drink fluids.
Staying Upright Matters
Gravity is a simple but effective tool. Sitting upright or reclining at an angle keeps fluids moving downward through your digestive tract rather than pooling near the top of your stomach where they’re more likely to come back up. After each round of sipping, stay upright for at least 15 to 20 minutes. If you need to rest, prop pillows behind you so your upper body stays elevated. This is especially important in the first few hours of recovery.
Moving From Fluids to Food
Once you’ve been keeping fluids down comfortably for several hours, you can start introducing small amounts of bland food. Good starting options include plain crackers, dry toast, plain rice, and bananas. Eat tiny portions and wait to see how your stomach responds before having more. Avoid fatty, spicy, or dairy-heavy foods for at least 24 hours after vomiting stops, since these are harder to digest and more likely to trigger a relapse.
Stay upright after eating, just as you did with fluids. If food triggers nausea again, go back to the sip method with clear liquids and try food again a few hours later.
Signs That You Need Medical Help
Most vomiting episodes resolve on their own within 12 to 24 hours. But dehydration can become dangerous if you truly cannot keep any fluids down despite using the methods above. Watch for these warning signs:
- Very little or no urine for 8 or more hours in adults, or no wet diapers for 3 hours in infants
- Skin that stays pinched: pinch the skin on the back of your hand, and if it doesn’t flatten back immediately, you’re significantly dehydrated
- Rapid heart rate or dizziness when standing
- Unusual sleepiness or confusion
In children and older adults, dehydration progresses faster. If a child cannot keep down even small sips for more than a few hours, or if an adult has been vomiting for more than 24 hours with no improvement, intravenous fluids in a medical setting may be needed to break the cycle.