A patient of parkinsonism is managed with L-dopa. If Vit. B-complex is administered concurrently-
Ans. is 'd' i.e., Decreased efficacy will result "Pyridoxine abolishes the therapeutic effect of levodopa by enhancing peripheral decarboxylation of levodopa".
The action of L-dopa in brain will be potentiated
Decarboxylation of L-dopa in brain will be decreased
Side effects will be ameliorated
Decreased efficacy will result