"Digestive upsets" refers to any problems or discomfort that occur in the digestive system, such as indigestion, bloating, stomachache, or diarrhea. Full definition
This product may cause digestive upset in some sensitive individuals. (nowfoods.com)
If you don't see evidence of digestive upset when feeding eggs to dogs, then he should have no trouble if eggs are a regular part of his diet. (dogsnaturallymagazine.com)
This will not only prevent new pets from experiencing digestive upset from a change of diet, it will encourage the new ferret owner to return to the store to buy the same food. (petbusiness.com)