Which drug is the mainstay of treatment for Parkinson disease?
Answer and explanation
Correct answer: A. Levodopa
- Step 1: Levodopa replaces the dopamine lost in the substantia nigra.
- Step 2: It is combined with a decarboxylase inhibitor.
Answer
Levodopa.
Why not the others: Haloperidol worsens parkinsonism, and the other drugs do not treat it.
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