It is important to consult with a healthcare professional before giving any medication to your baby, including Benadryl. If your child is experiencing abdominal discomfort or difficulty digesting a new solid food, it is not recommended to give Benadryl as it may not be effective. It is best to seek medical advice in cases of severe allergic reactions, as well as if there is a family history of food allergies, severe eczema, or significant hay fever. Remember to always prioritize your child's health and well-being by seeking professional guidance.