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BMJ 2003;327:459-460 (30 August), doi:10.1136/bmj.327.7413.459
Options go beyond laxatives and include behavioural treatment as well as new drugs
| The first 150 words of the full text of this article appear below. |
Although slow to emerge, major advances have occurred in understanding the causes and management of constipation. It now receives the attention deserved of a symptom that affects a quarter of the population at some time. Most important is the recognition that different pathophysiological processes can result in the final common symptoms of decreased bowel frequency or impaired rectal evacuation. Different clinical syndromes require different therapeutic approaches.
Bowel frequency is influenced by several factors including intake of dietary fibre, emotional make up, and psychological morbidity. Introspective individuals have a lower bowel frequency and produce less stool than extroverts. Infrequent bowel actions in the absence of symptoms can be regarded as part of the normal spectrum of bowel frequency. Low bowel frequency is more common in women.
Controlled cross sectional studies have shown that psychological morbidity is commonly associated with severe constipation.1 In some patients it is the key causative factor. Other
Michael A Kamm, professor of gastroenterology
St Mark's Hospital, Harrow HA1 3UJ (kamm@imperial.ac.uk)
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