Pharmacology A patient of Parkinsonism is managed with levodopa. If Vitamin B complex is administered concurrently to the patient : A The action of levodopa in brain will be potentiated B Decarboxylation of 1–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 levodopa. If Vitamin B complex is administered concurrently to the patient : ✓ Correct Answer: D. Decreased efficacy will result