A stomach bug (gastroenteritis) is miserable but almost always resolves on its own. The most important thing you can do is keep your child hydrated with small, frequent sips of an oral electrolyte solution — not juice, not sports drinks, not flat soda. Trust the process: vomiting typically peaks in 24 hours and diarrhea resolves within 5–7 days. Call your pediatrician if your child shows signs of dehydration, has blood in their stool or vomit, or is an infant under 3 months old with any vomiting.
7 Truths & Tips for Survival of Stomach Bugs When They Hit Your Home
- Hand washing and keeping things clean are your best defenses from getting ill with a stomach bug. Not surprisingly, this is particularly true after touching or supporting your child and when preparing food and eating. Some viruses will survive on surfaces for days. And some viruses like Norovirus can even survive hand sanitizer. You have to use soap and water to kill it. But even with ridiculous, meticulous attention to hygiene, every parent knows that when the vomit is flying, it’s hard to lasso every single errant particle. So simply commit to do your best. Change the sheets and clean up areas of vomit immediately after supporting your child. Soapy warm water is your friend. Wash surfaces immediately, use hot water for the wash, and use high heat in the dryer.
- 24 hours (or so): In general, most pediatricians will tell you that vomiting doesn’t exceed 24 hours with typical gastroenteritis. Occasionally it can. Many kids don’t follow the rules. Once a virus that causes gastroenteritis takes hold of a child, vomiting starts. Children tend to vomit more than adults. Part may be an easy gag reflex. With most viruses that cause the “stomach flu,” as the infection moves through the stomach and intestines, vomiting stops after about 24 hours. But not always. If you advance liquids too quickly or children eat more solids than they are ready for, even after the first meal 1 to 2 days into eating again, they may have a vomit encore. If you have one of those, start back where you started (sips of clear liquids) and go very slow advancing their diet. If vomiting is accelerating at 24 hours, it is time to check in with your child’s doctor.
- Disgusting and terrifying: It’s creepy-eepy to take care of a child with vomiting. Not only is it entirely gnarly and disgusting to remove and clean chunks from vomit-laden carpet, sheets, and clothing, it’s also terrifying to provide support to a vomiting child because you can get equally uneasy about catching the virus. You’re not alone in this. It’s absolutely nauseating to see your own child ill, unwell, and retching. And it’s awful to imagine having to provide care while getting miserably sick. Do your best to keep your hands washedand keep the love going. As all of us know, when you find yourself picking out vomit bits from the carpet at 3:00 am, it really can only get better from there.
- Medication: Children rarely need medication when recovering from gastroenteritis. Although some antinausea drugs are available for use in children, most children don’t need prescription medications. Talk with your child’s pediatrician if you feel you child is vomiting longer than 24 hours or becoming dehydrated. Remember that vomiting is a protection reaction of your child’s body to clear infection.
- Soap, water, and bleach: William Osler said, “Soap and water and common sense are the best disinfectants.” Cleaning your home to avoid spreading infection is a must. You don’t need expensive products, just vigilance. With some highly infectious viruses that cause vomiting, even 10 viral particles can cause illness. So in addition to soap and water, consider using a dilute bleach solution to clean hard surfaces.
- Detective work: Sometimes you’ll simply never know where it all came from. But it won’t stop you from playing the role of infectious detective. The only issue: this is simply wasted time.
- Yummy, clingy love: There is an occasional perk to a terrible stomach bug. And we have to find one to maintain a sense of optimism. When our children are ill, they really turn over and show us they want us over anything else on earth.
Then there is resilience. Children do very well recovering from typical viral gastroenteritis, although diarrhea can last for days. Even so, our children’s resilience will long astonish us.
Frequently Asked Questions About Stomach Bug
What is the single most important thing to do when my child has a stomach bug?
Keep them hydrated. Dehydration — not the vomiting or diarrhea itself — is what makes children seriously ill and leads to hospitalizations. Use an oral electrolyte solution (Pedialyte, Liquid IV Kids, DripDrop, or a store-brand equivalent). Start with tiny amounts — a teaspoon every few minutes — and increase gradually. If your child is refusing fluids or unable to keep anything down after 4–6 hours, call Spring Valley Pediatrics.
Why is Pedialyte better than Gatorade or juice for a sick child?
Oral electrolyte solutions are specifically formulated to replace the sodium, potassium, and fluid lost through vomiting and diarrhea. Sports drinks contain too much sugar and not enough sodium — the excess sugar can actually worsen diarrhea. Juice is similarly high in sugar. Water alone, while better than nothing, does not replace the electrolytes being lost.
Should I rush to the doctor if my child vomits?
For an otherwise healthy child over 3 months old, multiple episodes of vomiting over a few hours is not usually an emergency. The time to call Spring Valley Pediatrics is when your child shows signs of dehydration, when there is blood in the vomit, when symptoms worsen after 48 hours, or when your child appears very ill or is in significant distress.
How do I sanitize my home when a family member has a stomach bug?
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My child had a stomach bug and now won’t eat normally — is this okay?
Yes, a decreased appetite for a few days after a stomach bug is completely normal. The digestive system takes time to recover. Offer small amounts of bland, easy-to-digest foods and let your child lead. Most children return to their normal appetite within 5–7 days. If your child is refusing virtually all food or fluids after a week, call Spring Valley Pediatrics.
Could my child’s stomach bug be something more serious?
In rare cases, symptoms that look like a stomach bug may indicate appendicitis (severe pain in the lower right abdomen that worsens over hours), intussusception in infants (sudden severe cramping episodes), or bacterial infection (very high fever, bloody stool). Trust your instincts — if something feels different or more serious than a typical stomach bug, call Spring Valley Pediatrics or go to the emergency room.


