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Drug interactions

Amlodipine-perindopril + Simvastatin

Severity: Moderate

Amlodipine-perindopril and Simvastatin: moderate 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

Amlodipine modestly raises simvastatin exposure, which increases the risk of myopathy and rhabdomyolysis. The labeling limits the simvastatin dose when it is combined with amlodipine.

What this interaction means in plain words

Amlodipine-perindopril and Simvastatin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Amlodipine-perindopril belongs to Cardiovascular; Simvastatin belongs to Cardiovascular.

Evidence level: High

Why it happens

Amlodipine weakly inhibits CYP3A4-mediated metabolism of simvastatin, increasing systemic exposure to simvastatin and its active acid.

What to do

Limit simvastatin to 20 mg daily, or switch to a statin less dependent on CYP3A4 such as rosuvastatin or pravastatin. Advise patients to report unexplained muscle pain or weakness.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Simvastatin?

MediHelp rates the interaction as moderate. Amlodipine-perindopril and Simvastatin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Amlodipine modestly raises simvastatin exposure, which increases the risk of myopathy and rhabdomyolysis. The labeling limits the simvastatin dose when it is combined with amlodipine.

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

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Limit simvastatin to 20 mg daily, or switch to a statin less dependent on CYP3A4 such as rosuvastatin or pravastatin. Advise patients to report unexplained muscle pain or weakness.

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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