LPN Pharmacology Texas University | Nurselytic

Correct Answer: D

Rationale: The correct answer is D: "This drug could take 4-6 weeks to begin working." This response is correct because fluoxetine, a selective serotonin reuptake inhibitor (SSRI), typically takes around 4-6 weeks to reach its full therapeutic effect. It is important for the nurse to educate the client on the delayed onset of action to manage expectations effectively.


Choice A is incorrect as adding another drug without giving fluoxetine an adequate trial period may not be necessary and could increase the risk of side effects.
Choice B is incorrect because while fluoxetine may start to show some effects within 1-3 weeks, the full therapeutic effect is generally achieved after 4-6 weeks.
Choice C is incorrect as switching to a different antidepressant prematurely may not be beneficial without giving fluoxetine sufficient time to work.

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