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Drug interactions

Hydralazine + Nadolol

Severity: Minor

Hydralazine and Nadolol: 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

The combination lowers blood pressure more than either drug alone, which is often therapeutically intended. Nadolol also limits hydralazine reflex tachycardia, but hypotension or bradycardia can occur.

What this interaction means in plain words

Hydralazine and Nadolol 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; Nadolol belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Additive antihypertensive effect from vasodilation and beta blockade.

What to do

Monitor blood pressure and heart rate during initiation and dose changes. Adjust doses if symptomatic hypotension occurs.

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 Nadolol?

MediHelp rates the interaction as minor. Hydralazine and Nadolol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. The combination lowers blood pressure more than either drug alone, which is often therapeutically intended. Nadolol also limits hydralazine reflex tachycardia, but hypotension or bradycardia can occur.

How serious is the interaction between Hydralazine and Nadolol?

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 and heart rate during initiation and dose changes. Adjust doses if symptomatic hypotension occurs.

What other medicines interact with Hydralazine?

MediHelp also lists interactions of Hydralazine with, for example, Amifostine, Aceclofenac, Acemetacin. The full list is on the Hydralazine page.

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

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