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Drug interactions

Amlodipine-olmesartan + Terbutaline

Severity: Minor

Amlodipine-olmesartan and Terbutaline: 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

Terbutaline tends to lower serum potassium while olmesartan tends to raise it, so the effects partly offset. Beta-agonists may also cause tachycardia and blunt blood pressure control, but the interaction is of limited clinical significance.

What this interaction means in plain words

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

Amlodipine-olmesartan belongs to Cardiovascular; Terbutaline belongs to Respiratory.

Evidence level: Low

Why it happens

Opposing effects on potassium: beta-2 stimulation drives potassium into cells while ARBs reduce renal potassium excretion.

What to do

No routine change is needed; monitor potassium if high doses of terbutaline are used or renal function is impaired.

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 Amlodipine-olmesartan with Terbutaline?

MediHelp rates the interaction as minor. Amlodipine-olmesartan and Terbutaline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Terbutaline tends to lower serum potassium while olmesartan tends to raise it, so the effects partly offset. Beta-agonists may also cause tachycardia and blunt blood pressure control, but the interaction is of limited clinical significance.

How serious is the interaction between Amlodipine-olmesartan and Terbutaline?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed; monitor potassium if high doses of terbutaline are used or renal function is impaired.

What other medicines interact with Amlodipine-olmesartan?

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

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