This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psychiatric Illness, Subject name: Pharmacology
Drug treatment for tardive dyskinesia is 
Select and explain. 
A. Valbenazine, B. Ropinirole, C. Tetrabenazine, D. Biperiden
A: Valbenazine
Answer: A: Valbenazine 
Explanation: Tardive dyskinesia is late symptom which appears on treatment with typical antipsychotic like haloperidol. It occurs due to D2 receptor supersensitivity. Treatment of choice is valbenazine - Ropinirole is used for Restless leg syndrome - Tetrabenazine is drug used in Huntington's chorea - Biperidin is used in drug induced Parkinsonism.