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No interaction studies have been performed.
Up to several hours before, during or up to one hour after taking Lactulose (Duphalac) solution for bowel cleansing, as with other bowel cleansing regimens, orally administered medicines may possibly be washed out of the gastrointestinal tract or may not, or only partially, be absorbed. If administration of a medicine is absolutely necessary for a life-threatening indication shortly before or whilst taking the treatment regimen for bowel cleansing, oral administration may have to be withheld and a switch made to an alternative.
The concomitant use of other laxatives (bisacodyl) may enhance the gastrointestinal side effects of lactulose.
