Medical Definition of Tenesmus

Tenesmus: Straining to defecate or urinate. Tenesmus refers especially to ineffectual and painful straining for an extended time. Straining to defecate is called rectal tenesmus; straining to urinate is called vesical tenesmus.

Quick GuideDigestive Disorders: Common Misconceptions

Digestive Disorders: Common Misconceptions

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Last Editorial Review: 5/13/2016

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