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Organic compound (L-3,4-dihydroxyphenylalanine) from which the body makes dopamine, a neurotransmitter deficient in persons with parkinsonism. When given orally in large daily doses, levodopa can lessen the effects of the disease. However, it becomes less effective over time and causes abnormal involuntary movements (dyskinesia).
Variants of LEVODOPA
levodopa or L-dopa
This entry comes from Encyclopædia Britannica Concise. For the full entry on levodopa, visit Britannica.com.