A member asked:

If i only have exlax 15mg to take for colonoscopy prep, what is the equivalent of 1 exlax to 1 dulcolax?

3 doctors weighed in across 2 answers
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

Those 2 OTC laxative have different active ingredients, sennosides vs. bisacodyl; 15 mg of exlax is probably equivalent in effect to 5-10 mg of dulcolax. Good luck to your colonoscopy!

Answered 3/1/2023

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Dr. Andrew Seibert answered

Specializes in Gastroenterology

You cannot substitute Ex-Lax for Dulcolax in a colonoscopy prep. If you do not have the Dulcolax, you should contact your gastroenterologist to reschedule the colonoscopy or to ask what they would like you to do instead for the preparation. Good luck.

Answered 2/28/2023

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