NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is the treatment for tardive dyskinesia?

Deutetrabenazine
Valbenazine
Lithium
Lamotrigine

The correct answer is: Valbenazine

Valbenazine is the correct answer for the treatment of tardive dyskinesia. Valbenazine is a vesicular monoamine transporter 2 (VMAT2) inhibitor approved by the FDA for the treatment of tardive dyskinesia. It works by selectively depleting presynaptic dopamine stores in the brain, which helps in reducing the involuntary movements associated with tardive dyskinesia. Deutetrabenazine is also a VMAT2 inhibitor used for the treatment of tardive dyskinesia, making it a relevant choice. However, lithium and lamotrigine are not typically used for the treatment of tardive dyskinesia, therefore they are incorrect choices in this scenario.