This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Pharmacology
Drug of choice for drug induced parkinsonism: 
Select and explain. 
A. Levodopa, B. Benserazide, C. Benzhexol, D. Selegiline
C: Benzhexol
Answer: C: Benzhexol 
Explanation: Ans. C. BenzhexolDOC for parkinsonism is pramipexole, ropinirole. DOC for drug induced is benzhexol. Most effective drug is levodopa and carbidopa. Disease modifying drug is selegiline.