Disturbed bowel habits in patients with non‐ulcer dyspepsia

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BACKGROUND; Emerging medications for non-ulcer-dyspepsia, such as the serotonin-receptor modulators, also affect bowel habits by altering colonic transit. If drugs that alter colonic function were to prove useful in non-ulcer dyspepsia, knowledge of baseline bowel habit disturbances would be potentially critical. To estimate the rate of non-ulcer dyspepsia patients with clinically relevant constipation or diarrhoea potentially precluding use of motility agents. Consecutive patients with non-ulcer dyspepsia (n = 79), gastro-oesophageal reflux disease (n = 135) and organic upper gastrointestinal disease (upper gastrointestinal disease; n = 36) completed a validated symptom questionnaire evaluating predominant bowel habits in the last year. Prevalence of constipation was higher in non-ulcer dyspepsia (34%) than in gastro-oesophageal reflux disease (P = 0.01) and organic upper gastrointestinal disease (P = 0.01), prevalence of alternating diarrhoea/constipation (24%) and diarrhoea (22%) was similar, while prevalence of normal bowel habits was significantly less in non-ulcer dyspepsia (20%; P = 0.01 vs. gastro-oesophageal reflux disease and P < 0.01 vs. organic upper gastrointestinal disease). Constipation was particularly frequent in ulcer-like and dysmotility-like non-ulcer dyspepsia, while prevalence of diarrhoea was lowest in dysmotility-like non-ulcer dyspepsia. A normal bowel habit was equally uncommon in male (21%) and female non-ulcer dyspepsia patients (20%). Only one of five non-ulcer dyspepsia patients had normal bowel habits based on clinical symptoms; constipation is particularly prevalent. Patients with functional dyspepsia who are prescribed motility altering drugs should be evaluated by taking a thorough bowel habit history.