Pharmacology A patient of parkinsonism is managed with L-dopa. If Vit. B-complex is administered concurrently- A The action of L-dopa in brain will be potentiated B Decarboxylation of L-dopa in brain will be decreased C Side effects will be ameliorated D Decreased efficacy will result 💡 Explanation A patient of parkinsonism is managed with L-dopa. If Vit. B-complex is administered concurrently- ✓ Correct Answer: D. Decreased efficacy will result