Which drug would be most effective for an obstetric patient who is complaining of constipation as a result of her enlarging uterus and use of prenatal vitamins?
a. Saline laxative
b. Lubricant laxative
c. Stimulant laxative
d. Mineral oil
ANS: B
Lubricant and bulk-forming laxatives may be used in the pregnant patient because little cramping accompanies their use. Saline laxatives are not safe for a pregnant woman because of the bowel distention and possible electrolyte imbalance they may cause. Stimulant laxatives are too harsh for a pregnant woman because they may cause cramping. Mineral oil is not a good laxative to use on a regular basis because it can cause malabsorption of vitamins.
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