For most toddler stomach aches, the best starting point is small, frequent sips of fluid and a temporary shift to bland, easy-to-digest foods. Most episodes resolve on their own within a day. What you give depends on what’s behind the pain: a stomach bug, gas, constipation, or simply eating too much of something. Here’s how to handle each situation at home.
Start With Small Sips of Fluid
Dehydration is the biggest practical risk when a stomach ache comes with vomiting or diarrhea. An oral rehydration solution (like Pedialyte) is the gold standard because it replaces both water and the salts your toddler loses. These solutions contain about 1,080 mg of sodium per liter, compared to roughly 460 mg in a sports drink, and far less sugar (14 grams versus 58 grams per liter in a typical sports drink). That balance matters because too much sugar can actually pull more water into the gut and make diarrhea worse.
Don’t hand your toddler a full cup and hope for the best. Start with about 5 mL (one teaspoon) every five minutes using a syringe or small spoon, then gradually increase as they keep it down. If your child is mildly dehydrated, the general guideline is roughly 50 mL per kilogram of body weight over four hours. For a 12-kg (26-pound) toddler, that’s about 600 mL, or two and a half cups, spread across those four hours. After each loose stool, offer an extra 10 mL per kilogram, up to about one cup.
If your toddler isn’t vomiting or having diarrhea and just seems uncomfortable, water is fine. Avoid juice in large amounts since the sugar content can irritate an already upset stomach.
Bland Foods That Are Easy on the Stomach
Once your toddler can keep fluids down, offer small portions of bland foods. Good options include plain rice, toast, bananas, applesauce, plain crackers, and simple broth. These are low in fat and fiber, so they’re less likely to trigger more nausea or cramping. You don’t need to follow the old “BRAT diet” rigidly, but the principle holds: keep meals simple and small until the stomach settles.
Avoid dairy, fried foods, and anything acidic (like tomato sauce or citrus) for the first day or two. Fatty or heavily seasoned foods take more work to digest and can make nausea worse. As your toddler starts feeling better, gradually reintroduce their normal diet.
When Constipation Is the Cause
Constipation is one of the most common reasons toddlers get stomach aches, and it’s easy to miss. If your child hasn’t had a bowel movement in a few days, seems to strain or cry during bowel movements, or produces hard, pellet-like stools, the belly pain is likely related to backed-up stool.
The fix here is the opposite of what you’d do for a stomach bug. Instead of bland, low-fiber foods, you want to increase fiber and fluids. A simple rule of thumb from the American Academy of Pediatrics: add 5 to your child’s age to estimate daily fiber grams. A 2-year-old needs about 7 grams a day, a 3-year-old about 8 grams. Good toddler-friendly sources include pears, prunes, peas, beans, oatmeal, and whole-grain bread. Pair the fiber with plenty of water, since fiber without fluid can make constipation worse.
Warm Herbal Tea for Toddlers Over 2
For toddlers older than 2, a small amount of weak herbal tea can help soothe an upset stomach. Peppermint tea eases nausea and gas pain. Ginger tea is also effective for settling stomach discomfort in children. Brew it weaker than you would for yourself (steep for half the time) and serve it warm, not hot. A few tablespoons at a time is plenty.
Herbal tea should never be given to babies under 6 months. Between 6 months and 2 years, stick with breast milk, formula, or plain water unless your pediatrician suggests otherwise.
Probiotics Can Shorten a Stomach Bug
If the stomach ache is part of a viral stomach bug with diarrhea, certain probiotics can reduce the duration of symptoms by roughly 24 hours. European pediatric guidelines specifically recommend a few well-studied strains for children with gastroenteritis, and they work best when started early in the illness and continued for five to seven days.
Look for products containing Lactobacillus rhamnosus GG or Saccharomyces boulardii, the two strains with the most pediatric research behind them. These are available as powders or drops designed for young children. Not all probiotic products contain these specific strains, so check the label. The evidence supporting them is rated as low certainty, meaning they help on average but aren’t a guaranteed fix for every child.
What Not to Give a Toddler
Bismuth subsalicylate, the active ingredient in Pepto-Bismol and Kaopectate, should not be given to children under 12. Toddlers are especially sensitive to salicylates (the same family of compounds as aspirin), and the risk increases when they have a fever or have lost fluids from vomiting or diarrhea. In children recovering from the flu or chickenpox, salicylates carry the additional danger of Reye’s syndrome, a rare but serious condition affecting the brain and liver. Bismuth can also cause severe constipation in young children.
Acetaminophen (Tylenol) is generally safe for pain relief in toddlers, but for children under 2, you should check with your pediatrician before giving it to confirm the correct dose for your child’s weight. The liquid form comes in a concentration of 160 mg per 5 mL, and dosing is strictly weight-based, not age-based. Never give more than five doses in 24 hours, spaced at least four hours apart. Avoid ibuprofen if your toddler is vomiting or dehydrated, since it can be harder on the stomach and kidneys when fluid levels are low.
Signs That Need Medical Attention
Most toddler stomach aches pass within a day. But certain symptoms signal something that needs a doctor’s evaluation:
- Pain lasting more than 24 hours or steadily getting worse
- Vomiting for more than 12 hours
- Diarrhea lasting more than 2 days
- Fever above 100.4°F (38°C)
- Pain localized to the lower right side of the belly, which can indicate appendicitis
- Signs of dehydration: no tears when crying, dry mouth, no wet diaper for several hours, or sunken eyes
- Burning during urination, which may point to a urinary tract infection
- Poor appetite lasting more than 2 days or unexplained weight loss
Pain that wakes a toddler from sleep or causes them to double over and refuse to move is also worth an urgent call. Trust your instincts: if something feels off, it’s reasonable to seek care even without checking every box on a list.