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Drug interactions

Hydralazine + Naproxen

Severity: Minor

Hydralazine and Naproxen: minor 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

Naproxen may blunt the blood pressure lowering effect of hydralazine through fluid retention. The effect is usually modest but can matter in patients with poorly controlled hypertension.

What this interaction means in plain words

Hydralazine and Naproxen have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Hydralazine belongs to Cardiovascular; Naproxen belongs to Musculoskeletal.

Evidence level: Low

Why it happens

NSAID inhibition of vasodilatory prostaglandins promotes sodium and water retention and opposes vasodilation.

What to do

Monitor blood pressure when naproxen is started or stopped and adjust antihypertensive therapy if needed.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Hydralazine with Naproxen?

MediHelp rates the interaction as minor. Hydralazine and Naproxen have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Naproxen may blunt the blood pressure lowering effect of hydralazine through fluid retention. The effect is usually modest but can matter in patients with poorly controlled hypertension.

How serious is the interaction between Hydralazine and Naproxen?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure when naproxen is started or stopped and adjust antihypertensive therapy if needed.

What other medicines interact with Naproxen?

MediHelp also lists interactions of Naproxen with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Naproxen page.

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

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