Each work differently & are sometimes used together for colonoscopy
S. Picosulphate is a stimulant
that irritates your colon to contract to remove stool. Lactulose
is a non-digestable sugar
that pulls water into your colon to remove stool. Only take these under dr supervision. S. Picosulphate can lead to dependence. Both can lead to dehydration
& electrolyte imbalance if taken improperly.
Answer assisted by Nicole Bressler, Medical Student