This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharmacotherapy Management of Children and Adolescents, Subject name: Psychiatry
Drug of choice in Tourette syndrome is - 
Select and explain. 
A. Valproate, B. Carbamazepene, C. Haloperiodol, D. Methadone
C: Haloperiodol
Answer: C: Haloperiodol 
Explanation: Ans is 'c' i.e., Haioperidol o Dopamine receptor antagonists are the drugs used to treat tourette syndrome. Haioperidol and pimozide are the most commolnly used drugs.