Pseudodiarrhea

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Pseudodiarrhea

Pseudodiarrhea, formerly known as hyperdefecation, is defined as increased stool frequency (more than three times daily) with a normal daily stool weight of less than 300 g (Fine and Schiller, 1999).

Pseudodiarrhea is often associated with rectal urgency and accompanies

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, and anorectal disorders such as proctitis

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. Patients with rectal obstruction (e.g., from fecal impaction, obstruction due to a vaginal pessary

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) may also present with pseudodiarrhea, since only liquid stool can make it through (Chou and Yu, 2003; Tatar and Trivedi, 2005).

Pseudodiarrhea may be more common than chronic diarrhea and should always be considered in patients complaining of chronic diarrhea.