Which of the following adverse effects of levodopa is not minimized even after combining it with carbidopa?: (A) Involuntary movements, (B) Nausea and vomiting, (C) Cardiac arrhythmia, (D) 'On-off' effect
Answer is A. (Ref: KDT 6/e p419) Carbidopa can decrease all the adverse effects of levodopa except Involuntary movements Behavioural effects