Pharmacology – MCQ 125 – Interactions of levodopa

All the following statements regarding interactions of levodopa are correct except:
A. In Parkinsonism, phenothiazines reduce its efficacy
B. It is a prodrug
C. Pyridoxine reduces effect of levodopa in parkinsonism
D. Domperidone blocks levodopa induced emesis and its therapeutic potential

Correct answer : D. Domperidone blocks levodopa induced emesis and its therapeutic potential

Domperidone blocks the emesis induced by levodopa. It has no affect on the therapeutic potential.

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