Overview of Gastrointestinal Symptoms By Jonathan Gotfried, MD, Lewis Katz School of Medicine at Temple University Reviewed / Revised Jan 2022 | Modified Sep 2022 View Patient Education Upper gastrointestinal (GI) complaints include Chest pain Chronic and recurrent abdominal pain Dyspepsia Dysphagia Lump in the throat Halitosis Hiccups Nausea and vomiting Rumination Some upper GI complaints represent functional illness (ie, no physiologic cause found after extensive evaluation).