Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Tenesmus
Medically reviewed by Min Clinic Staff | Updated: January 2026
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.