Drug interactions
Amlodipine + Crizotinib
Severity: Moderate
Amlodipine and Crizotinib: 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
Crizotinib is a moderate CYP3A4 inhibitor and may raise amlodipine concentrations. Crizotinib also causes bradycardia and hypotension, which could add to the effects of the calcium channel blocker.
What this interaction means in plain words
Amlodipine and Crizotinib 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 belongs to Cardiovascular; Crizotinib belongs to Oncology.
Why it happens
CYP3A4 inhibition by crizotinib reduces amlodipine clearance, plus additive effects on heart rate and blood pressure.
What to do
Monitor blood pressure, heart rate and peripheral edema after starting crizotinib. Reduce the amlodipine dose if hypotension or marked edema occurs.
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?
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Other interactions of Amlodipine
- Amifostine + Amlodipine Major
- Amlodipine + Ombitasvir / paritaprevir / ritonavir and dasabuvir Major
- Activated Charcoal + Amlodipine Moderate
- Aldesleukin + Amlodipine Moderate
- Alfuzosin + Amlodipine Moderate
- Amlodipine + Apalutamide Moderate
Other interactions of Crizotinib
- Crizotinib + Flibanserin Contraindicated
- Crizotinib + Lomitapide Contraindicated
- Crizotinib + Lonafarnib Contraindicated
- Crizotinib + Pimozide Contraindicated
- Crizotinib + Saquinavir Contraindicated
- Crizotinib + Thioridazine Contraindicated
Frequently asked questions
Can I take Amlodipine with Crizotinib?
MediHelp rates the interaction as moderate. Amlodipine and Crizotinib 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. Crizotinib is a moderate CYP3A4 inhibitor and may raise amlodipine concentrations. Crizotinib also causes bradycardia and hypotension, which could add to the effects of the calcium channel blocker.
How serious is the interaction between Amlodipine and Crizotinib?
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, heart rate and peripheral edema after starting crizotinib. Reduce the amlodipine dose if hypotension or marked edema occurs.
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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