NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Which medication is contraindicated for the treatment of tardive dyskinesia due to hepatic impairment?

  1. Valbenazine

  2. Deutetrabenazine

  3. Lithium

  4. Lamotrigine

The correct answer is: Deutetrabenazine

Valbenazine and Deutetrabenazine are two medications used for the treatment of tardive dyskinesia. However, Valbenazine is not contraindicated for patients with hepatic impairment, so it is not the correct answer. Lithium is also not typically used for the treatment of tardive dyskinesia, so it is not the correct answer either. Lamotrigine is not recommended for this particular condition and can even worsen its symptoms, especially in patients with liver problems. Therefore, the correct answer is Deutetrabenazine, as it is the only medication specifically contraindicated for patients with hepatic impairment.

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