It is not uncommon for babies to experience hiccups, and gripe water is often used as a remedy. However, if your baby vomits after taking gripe water, it can be concerning. Gripe water is generally considered safe, but some babies may have an adverse reaction to its ingredients or the taste. The vomiting could be a result of an intolerance or sensitivity to one of the components in the gripe water. It's important to consult with your pediatrician about this issue to determine the cause and find alternative solutions for relieving your baby's hiccups without causing discomfort or vomiting. In the meantime, you can try other natural remedies like burping your baby more frequently during feedings or gently massaging their tummy to help alleviate hiccups.