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Medicines levodopaQuestion & answer

levodopa · Medicine question

How can metoclopramide affect the effectiveness of levodopa?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Metoclopramide may reduce the effectiveness of levodopa, and patients taking both should be monitored for worsening Parkinson’s symptoms.

Sources for this answer

Inbrija 33mg inhalation powder, hard capsuleMerz Pharma UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 2Document updated 1 December 2025

Sources checked 8 November 2026

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levodopa

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