The most important thing to give a toddler who is throwing up is small, frequent sips of fluid. Not a full cup, not juice, not milk. Start with about one teaspoon (5 mL) of liquid every one to two minutes. This slow approach prevents the stomach from rejecting the fluid right back up, and it’s the single most effective thing you can do at home.
Start With Tiny Sips, Not Full Drinks
Your instinct will be to hand your toddler a sippy cup and let them drink freely. Resist that. A stomach that’s already irritated will reject a large volume of liquid almost immediately, and your child ends up losing more fluid than they took in.
The goal is 5 mL (one teaspoon) every one to two minutes. You can use a medicine syringe, a small spoon, or even let them suck on a wet washcloth. This is slow and tedious, but it works. Over three to four hours at this pace, a toddler can take in a surprisingly useful amount of fluid without triggering another round of vomiting. For mild to moderate dehydration, the target is roughly 50 to 100 mL per kilogram of body weight over that window. For a 25-pound toddler, that works out to about 20 to 40 ounces across three to four hours.
What Fluids to Offer
An oral rehydration solution like Pedialyte is the best choice. It contains the right balance of sugar, salt, and water to help your toddler’s body actually absorb the fluid rather than just pass it through. Pedialyte popsicles can work well too, since toddlers often accept them more willingly.
If you don’t have a commercial rehydration solution on hand, you can make a basic version: mix 8 teaspoons of sugar and half a teaspoon of salt into 1 liter (about 4 cups) of water. Getting the ratio right matters. Too much sugar can worsen diarrhea, and too much salt is dangerous for small children, so measure carefully.
Avoid apple juice, sports drinks, and soda. These have too much sugar and not enough sodium. Plain water is better than nothing but won’t replace the electrolytes your child is losing. Breast milk or formula is fine for toddlers who are still nursing or bottle-feeding, and you can offer it in the same small, frequent amounts.
When to Reintroduce Food
Once your toddler has kept liquids down for about six to eight hours, you can start offering small amounts of bland food. Good first options include plain crackers, dry toast, rice, or simple cereal. These starchy, low-fiber foods are easy on the stomach and unlikely to trigger more vomiting.
Skip anything greasy, fried, or high in sugar. Dairy can be harder to digest during a stomach illness, so hold off on cheese and yogurt for the first day or so. Let your toddler guide how much they eat. A few bites are perfectly fine. Appetite usually comes back on its own within a day or two as the illness passes.
Skip the Anti-Nausea Medication
It’s tempting to reach for something that will stop the vomiting, but over-the-counter anti-nausea medications aren’t recommended for most toddler stomach bugs. The most common one available without a prescription (dimenhydrinate, sold as Gravol or Dramamine) is not approved for children under two without a doctor’s guidance. Even for older toddlers, there’s a real downside: anti-nausea medication can mask symptoms of something more serious. One study found that children given dimenhydrinate were twice as likely to have a delayed diagnosis of conditions like appendicitis or meningitis compared to children who weren’t.
Since most toddler vomiting is caused by a short-lived stomach virus, oral rehydration is the recommended treatment rather than medication. The vomiting itself typically resolves within 12 to 24 hours.
Ginger May Help
There is some evidence that ginger can reduce vomiting in young children with stomach bugs. A randomized trial of 150 children ages one to ten found that those given ginger had a 20% lower rate of continued vomiting compared to those given a placebo, with no adverse effects reported. Children in the ginger group also accepted more rehydration fluid, with only 24% refusing it compared to 52% in the placebo group.
For a toddler, this could look like a small amount of flat ginger ale (made with real ginger), ginger tea cooled to room temperature and sweetened lightly, or a tiny piece of crystallized ginger for an older toddler who can chew safely. This isn’t a replacement for rehydration, but it may make the process easier.
How to Spot Dehydration
Dehydration is the real risk with vomiting, not the vomiting itself. Your toddler’s body is small and loses fluid fast. Here’s what to watch for:
- Dry or sticky mouth and tongue. Run a clean finger along the inside of their cheek. A well-hydrated child’s mouth feels moist. Sticky or tacky means fluid is getting low.
- Fewer wet diapers. No wet diaper for eight hours is a clear warning sign.
- Crying without tears. This is one of the most reliable signs parents can spot at home.
- Sunken eyes or cheeks. The skin around the eyes may look darker or more hollowed out than usual.
- Unusual sleepiness or irritability. A dehydrated toddler may seem limp, hard to wake, or inconsolably fussy.
Mild dehydration (slightly decreased urine, sticky mouth) can usually be corrected at home with the sip-by-sip approach described above. If your child’s skin, when gently pinched, takes more than two seconds to flatten back down, that suggests moderate to severe dehydration and needs medical attention.
Signs That Need Medical Attention
Most toddler vomiting passes within a day or two. But certain symptoms mean you should call your pediatrician or head to urgent care:
- Vomit that is green or contains blood. Green (bile-stained) vomit can indicate a bowel obstruction and needs evaluation quickly.
- Vomiting lasting more than 24 hours in a child under two, or more than 48 hours in a child two or older.
- No wet diapers for eight hours or longer.
- Signs of moderate to severe dehydration listed above, especially absent tears, sunken eyes, or extreme lethargy.
- High fever that won’t come down, especially in combination with persistent vomiting.
- Your child can’t keep even tiny sips down after repeated attempts over several hours.
A stomach virus is by far the most common cause of toddler vomiting, and it almost always resolves on its own. Your main job is keeping your child hydrated through the worst of it. One teaspoon at a time, every couple of minutes, for as long as it takes.