| GASTROINTESTINAL | | | |
| abdominal pain |  | | Abdominal pain, also known as a stomach ache |
| bloating | | | The person feels gas in the stomach, or air filled in the stomach |
| belching |  | | Burping (also called belching and eructation) is the release of gas from the upper digestive tract (esophagus and stomach) of animals through the mouth. It is usually audible. |
| bleeding: | | | |
| hematemsis |  | | vomiting of blood |
| melena |  | | |
| hematochezia |  | | Haematochezia is the passage of fresh blood through the anus, usually in or with stools (contrast with melena) |
| constipation |  | | Constipation refers to bowel movements that are infrequent or hard to pass |
| diarrhea |  | | Diarrhea, also spelled diarrhoea, is the condition of having at least three loose, liquid, or watery bowel movements each day. |
| dysphagia |  | | Dysphagia is difficulty in swallowing |
| dyspepsia |  | | Indigestion, also known as dyspepsia or upset stomach, is a condition of impaired digestion |
| fecal incontinence |  | | Fecal incontinence (FI), or in some forms encopresis, is a lack of control over defecation, leading to involuntary loss of bowel contents, both liquid stool elements and mucus, or solid feces. When this loss includes flatus (gas), it is referred to as anal incontinence. |
| flatulence |  | | Flatulence is defined in the medical literature as “flatus expelled through the anus” or the “quality or state of being flatulent”,[1] which is defined in turn as “marked by or affected with gases generated in the intestine or stomach; likely to cause digestive flatulenc |
| heart burn |  | | Heartburn, also known as pyrosis, cardialgia or acid indigestion, is a burning sensation in the central chest or upper central abdomen. |
| nausea |  | | Nausea is a diffuse sensation of unease and discomfort, often perceived as an urge to vomit. |
| odynophagia |  | | Odynophagia is pain when swallowing.The pain may be felt in the mouth or throat and can occur with or without difficulty swallowing |
| proctalgia fugax |  | | Proctalgia fugax, a variant of levator ani syndrome, is a severe, episodic pain in the regions of the rectum and anus. |
| pyrosis | | | Heartburn, also known as pyrosis, cardialgia or acid indigestion, is a burning sensation in the central chest or upper central abdomen. |
| rectal tenesmus | | | Rectal tenesmus is a feeling of incomplete defecation. It is the sensation of inability or difficulty to empty the bowel at defecation, even if the bowel contents have already been evacuated |
| steatorrhea |  | | Steatorrhea (or steatorrhoea) is the presence of excess fat in feces |
| vomiting | | | Vomiting (also known as emesis and throwing up)[a] is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose. |
