Which pair of medications is a therapeutic duplication?

Rationale

Celexa and Paxil are a therapeutic duplication.

Both Celexa (citalopram) and Paxil (paroxetine) belong to the same class of medications, selective serotonin reuptake inhibitors (SSRIs), and are used to treat depression and anxiety disorders. Using both medications simultaneously can lead to an increased risk of side effects without providing additional therapeutic benefit, thus classifying them as a therapeutic duplication.

A (Celexa and Paxil) CORRECT

As both are SSRIs, prescribing Celexa and Paxil together is considered a therapeutic duplication. This entails the use of two medications that have similar pharmacological effects, potentially heightening the risk of adverse effects like serotonin syndrome without improving therapeutic outcomes.

B (Celexa and Toprol XL) YOUR ANSWER

Celexa is an SSRI prescribed for mental health issues, whereas Toprol XL (metoprolol) is a beta-blocker used for cardiovascular conditions. Since these medications serve different therapeutic purposes and mechanisms of action, they do not duplicate each other's effects and can be safely used together when indicated.

C (Ditropan XL and Paxil) YOUR ANSWER

Ditropan XL (oxybutynin) is an anticholinergic agent used for overactive bladder, while Paxil is an SSRI for depression and anxiety. Like the previous example, these medications target different conditions and mechanisms, meaning they do not create a therapeutic duplication when used concurrently.

D (Ditropan XL and Toprol XL) YOUR ANSWER

Ditropan XL and Toprol XL serve entirely different therapeutic roles—one for urinary conditions and the other for cardiovascular issues. As they do not overlap in their pharmacological effects, combining them does not constitute a therapeutic duplication.

Conclusion

Therapeutic duplication occurs when two medications with similar therapeutic effects are prescribed together, increasing the risk of adverse effects without added benefit. In this case, Celexa and Paxil exemplify therapeutic duplication as both are SSRIs. The other choices involve medications that serve different therapeutic purposes, allowing them to be used concurrently without the risk associated with duplicative therapy.

Which pair of medications is a therapeutic duplication?

Celexa and Paxil are a therapeutic duplication.

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