Subtypes of functional dyspepsia

Table 1 Definitions of dyspeptic symptoms

Symptom	Description
Pain centred in the upper abdomen	A subjective unpleasant, patients may feel that tissue damage is occurring. Other symptoms may be extremely bothersome A subjective unpleasant without being interpreted as pain.
Discomfort centred in the upper abdomen	A subjective unpleasant sensation that is not interpreted as pain, which may include any of the symptoms below.
Early satiety	A feeling the stomach is overfilled soon after starting to eat, out of proportion to the size of the meal.
Fullness	An unpleasant sensation of the persistence of food in the stomach (may or may not occur post prandially).
Bloating in the upper abdomen	A tightness in the upper abdomen, this should be distinguished from true abdominal distension.
Nausea	A feeling of the need to vomit.
Retching	Heaving as if to vomit but no gastric contents are forced up.

Table 2 Categorisation of Adult Functional Gastroenterological disorders as per Rome II[1]

A: Oesophageal disorders

Globus

Rumination syndrome

Functional chest pain of presumed oesophageal origin

Functional heartburn

Functional dysphagia

Unexplained functional oesophageal disorder

B: Gastroduodenal disorders

Functional dyspepsia

Ulcer-like dyspepsia

Dysmotility-like dyspepsia

Unspecified (non-specific dyspepsia)

Aerophagia

Functional vomiting

C: Bowel Disorders

Irritable bowel syndrome

Functional abdominal bloating

Functional constipation

Functional diarrhoea

Unspecified functional disorder

D: Functional abdominal pain

Functional abdominal pain syndrome

Unspecified abdominal pain syndrome

E: Biliary Disorders

Gall bladder dysfunction

Sphincter of Oddi dysfunction

F: Anorectal disorders

Functional faecal incontinence

Functional ano-rectal pain

Levator ani syndrome

Proctalgia Fugax

Pelvic floor dyssynergia