The phrase "sensitive stomach" means that someone has a digestive system that is easily upset and is more prone to discomfort or nausea when they eat certain foods or come across certain substances. Full definition
The taste and crunchy texture of these small dog biscuits will make them a hit with sensitive stomach dogs everywhere! (wileypup.com)
We also have a guide created for sensitive stomach dog foods that may help you. (puppywire.com)
Best food to try for dog with VERY sensitive stomach Since the beginning, we have had trouble finding food that agrees with our dog's stomach. (organic-pet-digest.com)