Drug interactions
Amlodipine-atorvastatin + Nirmatrelvir
Severity: Major
Amlodipine-atorvastatin and Nirmatrelvir: major interaction.
Last updated Sources: US FDA label
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
Nirmatrelvir is given with ritonavir, which strongly inhibits CYP3A4 and increases exposure to atorvastatin and amlodipine. This raises the risk of hypotension, edema and statin-related myopathy.
What this interaction means in plain words
Amlodipine-atorvastatin and Nirmatrelvir can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Amlodipine-atorvastatin belongs to Cardiovascular; Nirmatrelvir belongs to Anti Virals.
Why it happens
Ritonavir-boosted nirmatrelvir inhibits CYP3A4, decreasing the clearance of amlodipine and atorvastatin.
What to do
Consider holding the fixed-dose product during the short antiviral course, or substitute separate agents with dose reduction of amlodipine. Monitor blood pressure and muscle symptoms during and for several days after treatment.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Amlodipine-atorvastatin
Other interactions of Nirmatrelvir
- Alfuzosin + Nirmatrelvir Contraindicated
- Amiodarone + Nirmatrelvir Contraindicated
- Apalutamide + Nirmatrelvir Contraindicated
- Carbamazepine + Nirmatrelvir Contraindicated
- Colchicine + Nirmatrelvir Contraindicated
- Dronedarone + Nirmatrelvir Contraindicated
Frequently asked questions
Can I take Amlodipine-atorvastatin with Nirmatrelvir?
MediHelp rates the interaction as major. Amlodipine-atorvastatin and Nirmatrelvir can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Nirmatrelvir is given with ritonavir, which strongly inhibits CYP3A4 and increases exposure to atorvastatin and amlodipine. This raises the risk of hypotension, edema and statin-related myopathy.
How serious is the interaction between Amlodipine-atorvastatin and Nirmatrelvir?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider holding the fixed-dose product during the short antiviral course, or substitute separate agents with dose reduction of amlodipine. Monitor blood pressure and muscle symptoms during and for several days after treatment.
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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