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Drug interactions

Amlodipine + Penbutolol

Severity: Minor

Amlodipine and Penbutolol: 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

Combining a dihydropyridine calcium channel blocker with a beta-blocker is common and usually beneficial for blood pressure and angina. Additive blood pressure lowering may occasionally cause hypotension or bradycardia.

What this interaction means in plain words

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

Evidence level: Moderate

Why it happens

Additive antihypertensive effects through vasodilation and beta-adrenergic blockade.

What to do

Monitor blood pressure and heart rate when starting or titrating either drug and adjust doses accordingly.

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?

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Frequently asked questions

Can I take Amlodipine with Penbutolol?

MediHelp rates the interaction as minor. Amlodipine and Penbutolol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Combining a dihydropyridine calcium channel blocker with a beta-blocker is common and usually beneficial for blood pressure and angina. Additive blood pressure lowering may occasionally cause hypotension or bradycardia.

How serious is the interaction between Amlodipine and Penbutolol?

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 titrating either drug and adjust doses accordingly.

What other medicines interact with Amlodipine?

MediHelp also lists interactions of Amlodipine with, for example, Amifostine, Ombitasvir / paritaprevir / ritonavir and dasabuvir, Activated Charcoal. The full list is on the Amlodipine page.

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