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Drug interactions

Metolazone + Nadolol

Severity: Minor

Metolazone 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

Metolazone and nadolol together produce additive blood pressure lowering. Thiazide-induced hypokalemia and a modest rise in glucose may also be relevant in susceptible patients.

What this interaction means in plain words

Metolazone 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.

Metolazone belongs to Cardiovascular; Nadolol belongs to Cardiovascular.

Evidence level: Low

Why it happens

Additive antihypertensive effects; diuretic-related potassium and metabolic changes.

What to do

Monitor blood pressure, heart rate and serum potassium after starting or adjusting either drug. Adjust doses if hypotension or bradycardia 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 Metolazone with Nadolol?

MediHelp rates the interaction as minor. Metolazone 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. Metolazone and nadolol together produce additive blood pressure lowering. Thiazide-induced hypokalemia and a modest rise in glucose may also be relevant in susceptible patients.

How serious is the interaction between Metolazone 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, heart rate and serum potassium after starting or adjusting either drug. Adjust doses if hypotension or bradycardia occurs.

What other medicines interact with Metolazone?

MediHelp also lists interactions of Metolazone with, for example, Amifostine, Amlodipine-hydrochlorothiazide-valsartan, Amlodipine-olmesartan-hydrochlorothiazide. The full list is on the Metolazone page.

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