Drug treatment for tardive dyskinesia is: (A) Valbenazine, (B) Ropinirole, (C) Tetrabenazine, (D) Biperiden
Answer is A. 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.