After vomiting, the best thing you can do is give your stomach a complete rest for a few hours before eating or drinking anything substantial. Your body just went through a forceful process, and jumping straight to food or large gulps of water can trigger another round. The recovery path is simple: rest first, then sip fluids slowly, then ease back into bland foods.
The First Few Hours
Resist the urge to drink a full glass of water right away. Even though you feel thirsty and your mouth tastes terrible, your stomach needs a short break. Wait at least one to two hours before introducing any fluids.
When you’re ready, start with ice chips or very small sips of water, about every 15 minutes. The goal is to test whether your stomach will keep it down. If those small sips stay put for a couple of hours, you can gradually increase the amount. Drinking too much too fast is one of the most common mistakes people make, and it often brings on more vomiting.
Replacing Lost Fluids and Electrolytes
Vomiting strips your body of water, sodium, potassium, and other electrolytes. Plain water helps, but it doesn’t replace everything you lost. Once you’re tolerating small sips of water, you can add oral rehydration solutions (sold at any pharmacy), diluted fruit juice, clear broth, or sports drinks. These provide the salts and sugars your body needs to absorb fluid efficiently.
Signs that you’re getting dehydrated include dark urine, dry mouth, dizziness when standing, and a rapid pulse. If you haven’t urinated in eight or more hours, your dehydration is becoming serious. Confusion, slurred speech, or fainting are signals to get emergency care.
Rehydrating Children
Kids dehydrate faster than adults, so the approach is more precise. Start with just 5 milliliters (about one teaspoon) of fluid every five minutes, then increase gradually as the child tolerates it. A small syringe can help you measure and deliver the right amount. Oral rehydration solutions designed for children work better than juice or soda for replacing lost electrolytes.
For infants, fewer than six wet diapers in a day is a warning sign. For toddlers, no wet diaper or urination for eight hours means you should contact a healthcare provider promptly.
What to Eat First
Once you’ve kept fluids down for a few hours and your appetite starts returning, begin with bland, easy-to-digest foods. Good options include:
- Starches: white rice, plain crackers, toast made with refined white bread, plain pasta
- Fruits: bananas, applesauce, canned fruit, melon
- Proteins: broth-based soup, eggs, plain baked chicken, tofu
- Other: gelatin, popsicles, graham crackers, hot cereal like Cream of Wheat
Avoid anything greasy, spicy, acidic, or heavily seasoned for at least 24 hours. Dairy can be reintroduced, but stick with low-fat versions. Citrus and tomato-based foods may irritate your stomach, so save those for later. Eat small portions. Your stomach has been through a lot, and a large meal can overwhelm it even if you feel hungry.
Protecting Your Teeth
This is one step most people get wrong. Your first instinct after vomiting is to brush your teeth immediately. Don’t. Stomach acid softens tooth enamel, and brushing while that acid is still on your teeth scrubs the weakened enamel away. Wait at least 30 minutes before brushing.
In the meantime, rinse your mouth with plain water or a mixture of water and baking soda (about a teaspoon in a glass of water). This neutralizes the acid and gets rid of the taste without damaging your enamel.
Managing Ongoing Nausea
If nausea lingers after vomiting, a few over-the-counter options can help. Dimenhydrinate (sold as Dramamine) and meclizine (sold as Bonine) are antihistamines that calm nausea, though they can cause drowsiness. Diphenhydramine (Benadryl) also has anti-nausea properties. For pregnancy-related nausea, the combination of doxylamine and vitamin B6 is considered the first-choice treatment.
Ginger tea, peppermint, and cool compresses on the forehead can also take the edge off. Lying still in a cool room with your head slightly elevated helps more than moving around.
If You Vomited After Taking Medication
If you threw up within about 15 minutes of taking a pill, or if you can see the intact tablet in the vomit, it’s generally reasonable to retake the dose. If more than 15 minutes passed and you don’t see the pill, your body likely absorbed enough of it that retaking it could mean a double dose. For critical medications like blood thinners, seizure drugs, or birth control, contact your pharmacist or prescriber for specific guidance rather than guessing.
Signs That Need Medical Attention
A single episode of vomiting from food that didn’t agree with you or a stomach bug usually resolves on its own within 24 hours. But certain patterns signal something more serious. Vomiting that continues for more than 24 hours in adults (or 12 hours in young children), vomit that contains blood or looks like coffee grounds, severe abdominal pain, high fever, or stiff neck all warrant a call to your doctor or a trip to urgent care.
Dehydration that progresses to confusion, rapid heartbeat, or fainting is an emergency. The same applies if you’re unable to keep even small sips of water down for several hours, because dehydration can escalate quickly, especially in children and older adults.