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Epidemiology

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Haemorrhoids are very common - an international web-based survey reported the general prevalence in adults to be 11%. but this is likely to be a very significant underestimate because studies mainly rely on self-reporting, and many anorectal symptoms are often wrongly attributed to haemorrhoids. (1)

Haemorrhoids seem to affect men more often than women and for longer periods.

Women tend to be susceptible at particular times, e.g. pregnancy and the puerperium. Other risk factors include obesity, constipation and straining at stool, chronic cough, repeated heavy lifting and inflammatory bowel disease.

 

1. Sheikh P, Regnier C, Goron F, et al. The prevalence, characteristics and treatment of hemorrhoidal disease: results of an international web-based survey. J Comp Eff Res. 2020 Dec;9(17):1219-1232.

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