bisacodyl · Medicine question

How quickly do Dulcolax bisacodyl suppositories usually work?

iatroX medicinesPublished 8 November 2026

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Dulcolax bisacodyl suppositories usually work in about 20 minutes, typically within 10–30 minutes, although an effect after 45 minutes has rarely been reported.

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DULCOLAX 5 mg SuppositoriesOpella POM UK Limited · emc · SmPC §4.2 Posology and method of administration · Version 33Document updated 3 October 2025

Sources checked 8 November 2026

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