levodopa · Medicine question

What are the two main metabolic pathways of levodopa?

iatroX medicinesPublished 8 November 2026

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The two main metabolic pathways of levodopa are decarboxylation by L-aromatic amino acid decarboxylase and O-methylation by catechol-O-methyltransferase (COMT).

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Inbrija 33mg inhalation powder, hard capsuleMerz Pharma UK Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 2Document updated 1 December 2025

Sources checked 8 November 2026

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