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How quickly should Dulcolax and Miralax show results?

Sep 2013
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General & Family Physician
Practicing since : 1978
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How quickly should Dulcolax and Miralax show results? My wife has been told to take both before a colonoscopy.
Posted Sat, 16 Nov 2013 in General Health
Answered by Dr. Het Ram Bishnoi 59 minutes later
Brief Answer:
Purgative action .

Detailed Answer:
Dulcolax ( bisacodyl) is a purgative , it alone take usually 6-8 hours for its action.
When combine with miralax (polyethylene glycol) , it will take 4-6 hours . As glycol helps in evacuation & increase the intestine motility.
So you have to wait for 4 -6 hours.
Good luck. Dr. HET
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