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Drug interactions

Amlodipine-atorvastatin + Chloramphenicol

Severity: Moderate

Amlodipine-atorvastatin and Chloramphenicol: 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

Chloramphenicol inhibits CYP3A4 and may raise amlodipine and atorvastatin concentrations. This could cause hypotension, peripheral edema and a higher risk of statin-related myopathy. Clinical data are limited and the effect is mainly predicted.

What this interaction means in plain words

Amlodipine-atorvastatin and Chloramphenicol 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-atorvastatin belongs to Cardiovascular; Chloramphenicol belongs to Anti Bacterial.

Evidence level: Low

Why it happens

Inhibition of CYP3A4-mediated metabolism by chloramphenicol reduces clearance of amlodipine and atorvastatin.

What to do

Monitor blood pressure and watch for muscle pain or weakness during chloramphenicol therapy. Consider temporarily holding or reducing the atorvastatin dose if symptoms occur.

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-atorvastatin with Chloramphenicol?

MediHelp rates the interaction as moderate. Amlodipine-atorvastatin and Chloramphenicol 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. Chloramphenicol inhibits CYP3A4 and may raise amlodipine and atorvastatin concentrations. This could cause hypotension, peripheral edema and a higher risk of statin-related myopathy. Clinical data are limited and the effect is mainly predicted.

How serious is the interaction between Amlodipine-atorvastatin and Chloramphenicol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and watch for muscle pain or weakness during chloramphenicol therapy. Consider temporarily holding or reducing the atorvastatin dose if symptoms occur.

What other medicines interact with Amlodipine-atorvastatin?

MediHelp also lists interactions of Amlodipine-atorvastatin with, for example, Amifostine, Apalutamide, Atazanavir. The full list is on the Amlodipine-atorvastatin page.

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