Therapeutic duplication concern with atorvastatin and:

Rationale

Therapeutic duplication concern with atorvastatin exists with Zocor.

Atorvastatin and Zocor (simvastatin) both belong to the statin class of medications used to lower cholesterol levels. Prescribing both simultaneously may lead to an increased risk of adverse effects without providing additional therapeutic benefit, thus constituting therapeutic duplication.

A (Cardizem) YOUR ANSWER

Cardizem (diltiazem) is a calcium channel blocker used primarily to treat hypertension and angina. It does not belong to the statin class and does not have overlapping therapeutic effects with atorvastatin. Therefore, there is no concern for therapeutic duplication between Cardizem and atorvastatin.

B (Lopressor) YOUR ANSWER

Lopressor (metoprolol) is a beta-blocker used for managing hypertension and heart-related issues. Like Cardizem, it serves a different therapeutic purpose than atorvastatin and does not pose a risk for therapeutic duplication, as they do not share the same action or class.

C (Zocor) CORRECT

Zocor (simvastatin) is another statin medication that lowers cholesterol levels similar to atorvastatin. Using both drugs together can lead to an increased risk of statin-related side effects, such as muscle toxicity, without enhancing therapeutic outcomes. This overlap in action creates a significant therapeutic duplication concern.

D (Norvasc) YOUR ANSWER

Norvasc (amlodipine) is a calcium channel blocker also indicated for hypertension and angina management. As it does not belong to the statin class, there is no therapeutic duplication concern with atorvastatin. Both medications serve distinct purposes without overlapping effects.

Conclusion

Therapeutic duplication occurs when multiple medications with similar effects are prescribed, leading to unnecessary risk without added benefit. In this case, atorvastatin and Zocor (simvastatin) both lower cholesterol and belong to the same class of medications, creating a significant concern for therapeutic duplication. In contrast, the other options—Cardizem, Lopressor, and Norvasc—are from different drug classes and do not pose this issue when prescribed alongside atorvastatin.

Therapeutic duplication concern with atorvastatin and:

Therapeutic duplication concern with atorvastatin exists with Zocor.

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