Digestive upsets are common health issues that people face due to various reasons such as poor diet, stress, and intestinal infections. There are several synonyms for digestive upsets, and each term describes different symptoms that people experience. Some common synonyms for digestive upsets include gastrointestinal distress, upset stomach, indigestion, acid reflux, bloating, diarrhea, and constipation. Gastrointestinal distress refers to any discomfort or pain in the digestive system, while upset stomach typically means nausea and vomiting. Indigestion is a term used to describe the feeling of fullness and discomfort after eating. Acid reflux is characterized by heartburn and regurgitation of stomach acid. Bloating, diarrhea, and constipation are all synonyms for digestive upsets that refer to specific symptoms associated with this health issue.