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Dyschezia refers to difficult or painful elimination of faeces during defecation. Primarily indicative of anorectal disease or perianorectal disorders, it often, but not invariably, coexists with tenesmus. This chapter provides a general diagnostic approach to dyschezia, considering the clinical features, relevant history, physical examination and diagnostic tests.

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Image of 22.1
22.1 Algorithm showing an approach to the patient with dyschezia.
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22.3 Anus of a dog with early anal furunculosis. Note that it would be very easy to miss these draining tracts if the patient was conscious and the clinician was not able to perform a careful physical examination.
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