Quick answerDocusate is a
stool-softener laxative with a 12- to 72-hour expected onset.
Why this is correctDocusate is used for occasional constipation and softens stool rather than rapidly stimulating bowel evacuation. Its labeled time to a bowel movement is generally 12 to 72 hours.
Easy analogy or mental pictureIt softens a dry sponge gradually; it does not press an emergency flush button.
Memory hookDocusate: soften, not stimulate.NCLEX decision ruleTeach the medication's actual class and expected onset so the client does not confuse bowel prophylaxis with rescue treatment.
Why the other choices are wrongNaloxone reverses opioid respiratory depression, antidiarrheals treat diarrhea, and docusate is not expected to work within 30 minutes.
References
1DailyMed: Docusate sodium stool softenerStool-softener classification and 12- to 72-hour onset