Which of the following produce their laxative effect by direct action on the intestine to increase peristalsis? Select all that apply
A) Sennosides (Senokot)
B) Methylcellulose (Citrucel)
C) Glycerin (Fleet Babylax)
D) Bisacodyl (Dulcolax)
E) Lactulose (Chronulac)
Ans: A, D
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Irritant or stimulant laxatives, like sennosides (Senokot) and bisacodyl (Dulcolax), produce their laxative effect by direct action on the intestine to increase peristalsis. Methylcellulose is a bulk-forming laxative. Glycerin and lactulose are hyperosmolar drugs.
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