Peppermint power: could menthol ease colonoscopy cramps and spot more polyps?

NCT ID NCT07501962

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether spraying a menthol solution into the colon during a colonoscopy can reduce painful muscle spasms and help doctors find more polyps. About 440 adults scheduled for a colonoscopy will take part. The goal is to see if this simple, natural compound can improve the procedure's comfort and accuracy.

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