It can vary from dog to dog, but in general, English Springer Spaniels may be prone to sensitive stomachs. This can lead to issues such as vomiting, diarrhea, and gas. If you notice that your English Springer Spaniel has a sensitive stomach, it is important to speak with your vet about the best diet for your dog. They may recommend a specific type of food or suggest adding probiotics to their diet to help alleviate symptoms.