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Drug interactions

Metoprolol + Olmesartan

Severity: Minor

Metoprolol and Olmesartan: 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

Together they lower blood pressure additively, which is often desired. Olmesartan can raise serum potassium, whereas metoprolol has minimal effect. Olmesartan is contraindicated in pregnancy.

What this interaction means in plain words

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

Metoprolol belongs to Cardiovascular; Olmesartan belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Additive antihypertensive effects; ARB-related reduction of aldosterone-mediated potassium excretion.

What to do

Monitor blood pressure and heart rate when starting or adjusting therapy. Check potassium and renal function periodically.

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 Metoprolol with Olmesartan?

MediHelp rates the interaction as minor. Metoprolol and Olmesartan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Together they lower blood pressure additively, which is often desired. Olmesartan can raise serum potassium, whereas metoprolol has minimal effect. Olmesartan is contraindicated in pregnancy.

How serious is the interaction between Metoprolol and Olmesartan?

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 when starting or adjusting therapy. Check potassium and renal function periodically.

What other medicines interact with Metoprolol?

MediHelp also lists interactions of Metoprolol with, for example, Thioridazine, Amifostine, Amiodarone. The full list is on the Metoprolol page.

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

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