Yes, it is common during gastroenteritis for vomiting to occur at 24-hour intervals. Gastroenteritis is a common infection in children, causing symptoms like nausea, vomiting, and diarrhea. It is important to watch for signs of dehydration, such as excessive sleepiness, lethargy, and reduced energy. Giving your child Pedialyte can help prevent dehydration. If your child shows signs of moderate to severe dehydration, it is crucial to seek medical attention. Symptoms of gastroenteritis can last for a few days, typically between 24 and 72 hours. Make sure to see improvement in symptoms over time, continue using Pedialyte as needed, and monitor for any worrisome signs.