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Drug interactions

Amlodipine-perindopril + Butalbital

Severity: Minor

Amlodipine-perindopril and Butalbital: 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

Butalbital is a barbiturate with enzyme-inducing potential and may modestly reduce amlodipine exposure. With intermittent use the effect is usually small, but regular use could weaken blood pressure control.

What this interaction means in plain words

Amlodipine-perindopril and Butalbital 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: Low

Why it happens

Induction of CYP3A4 by butalbital increases amlodipine clearance.

What to do

Check blood pressure if butalbital is used frequently or long term. Adjust the amlodipine dose only if control is lost.

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-perindopril with Butalbital?

MediHelp rates the interaction as minor. Amlodipine-perindopril and Butalbital have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Butalbital is a barbiturate with enzyme-inducing potential and may modestly reduce amlodipine exposure. With intermittent use the effect is usually small, but regular use could weaken blood pressure control.

How serious is the interaction between Amlodipine-perindopril and Butalbital?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check blood pressure if butalbital is used frequently or long term. Adjust the amlodipine dose only if control is lost.

What other medicines interact with Amlodipine-perindopril?

MediHelp also lists interactions of Amlodipine-perindopril with, for example, Aliskiren, Protein a column, Sacubitril / valsartan. The full list is on the Amlodipine-perindopril page.

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