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Drug interactions

Fosinopril + Levodopa

Severity: Moderate

Fosinopril and Levodopa: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Levodopa can cause orthostatic hypotension, and combining it with fosinopril may produce additive blood pressure lowering. This is most relevant when levodopa is started or increased.

What this interaction means in plain words

Fosinopril and Levodopa can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Fosinopril belongs to Cardiovascular; Levodopa belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive hypotensive effects from levodopa-derived dopamine and ACE inhibition.

What to do

Monitor sitting and standing blood pressure when starting or adjusting levodopa, and reduce the fosinopril dose if symptomatic hypotension occurs.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Fosinopril with Levodopa?

MediHelp rates the interaction as moderate. Fosinopril and Levodopa can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Levodopa can cause orthostatic hypotension, and combining it with fosinopril may produce additive blood pressure lowering. This is most relevant when levodopa is started or increased.

How serious is the interaction between Fosinopril and Levodopa?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor sitting and standing blood pressure when starting or adjusting levodopa, and reduce the fosinopril dose if symptomatic hypotension occurs.

What other medicines interact with Fosinopril?

MediHelp also lists interactions of Fosinopril with, for example, Aliskiren, Protein a column, Sacubitril / valsartan. The full list is on the Fosinopril page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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