Vomiting is the forceful emptying ("throwing up") of a large portion of the stomach's contents through the mouth. Strong stomach contractions against a closed stomach outlet result in vomiting. In contrast, reflux is the effortless spitting up of one or two mouthfuls of stomach contents that occurs in babies.
Most vomiting is caused by a viral infection of the stomach or food poisoning from eating poorly refrigerated food. Usually, a child whose vomiting is caused by a virus also has diarrhea. If your child has vomiting without diarrhea and it lasts more than 24 hours, your child may have something more serious.
The vomiting usually stops in 6 to 24 hours. Changes in the diet can prevent excessive vomiting and dehydration. If your child also has diarrhea, the diarrhea will usually continue for several days.
Offer clear fluids (not milk) in small amounts until 8 hours have passed without vomiting. For infants less than 1 year old, always use an oral electrolyte solution (such as Pedialyte or the store brand). Spoon or syringe feed your baby 1 to 2 teaspoons (5 to 10 ml) every 5 minutes. Until you get some Pedialyte, give formula by teaspoonful in the same way.
For a child over 1 year old with vomiting (but no diarrhea), the best fluid is water or ice chips because water can be directly absorbed across the stomach wall. If your child is 2 years old or older water is best, but half-strength lemon-lime soda or Popsicles are also okay. Stir the soda until no fizz remains. However, if the vomiting continues for over 12 hours, switch to Pedialyte.
Start with 1 teaspoon (5 ml) to 1 tablespoon (15 ml) of the clear fluid, depending on your child's age, every 5Â minutes. After 4Â hours without vomiting, double the amount. If your child vomits using this treatment, rest the stomach completely for 1 hour and then start over but with smaller amounts. This one-swallow-at-a-time spoonfed approach rarely fails.
After 8 hours without vomiting, your child can gradually return to a normal diet.
Infants can start with bland foods such as cereal. If your baby only takes formula, give 1 or 2 ounces less per feeding than usual.
Older children can start with such foods as saltine crackers, cereals, white bread, bland soups, rice, and mashed potatoes.
Usually your child can be back on a normal diet within 24 hours after recovery from vomiting.
The key to treatment is providing breast milk in smaller amounts than usual. If your baby vomits once, make no changes. If your baby vomits twice, continue breast-feeding but nurse on only one side for 5Â minutes every 30 to 60Â minutes. As soon as 4Â hours have passed without vomiting, return to regular nursing on both sides.
Pedialyte is rarely needed for breast-fed babies. If vomiting continues, however, switch to Pedialyte for 4 hours. Spoon or syringe feed 1 to 2 teaspoons (5 to 10 ml) of Pedialyte every 5 minutes. If your baby is urinating less frequently than normal, you can also offer your baby Pedialyte between breast-feedings for up to 24 hours.
Do not give your child any medicines by mouth for 8 hours. Oral medicines can irritate the stomach and make vomiting worse. If your child has a fever over 102°F (39°C), use acetaminophen suppositories. Call your healthcare provider if your child needs to continue taking a prescription medicine.
A common error is to give as much fluid at one time as your child wants rather than gradually increasing the amount. This almost always leads to continued vomiting.
There is no effective drug or suppository for vomiting. Changing the diet is the best treatment. Vomiting alone (without diarrhea) rarely causes dehydration.
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