Drug interactions
Atorvastatin + Siltuximab
Severity: Moderate
Atorvastatin and Siltuximab: 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
Siltuximab may normalize CYP3A4 activity suppressed by IL-6, increasing atorvastatin metabolism and reducing its lipid-lowering effect. The effect may persist for weeks after stopping siltuximab.
What this interaction means in plain words
Atorvastatin and Siltuximab 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.
Atorvastatin belongs to Cardiovascular; Siltuximab belongs to Miscellaneous.
Why it happens
IL-6 inhibition restores CYP3A4 expression, increasing metabolism of atorvastatin.
What to do
Monitor lipid response and consider a dose adjustment of atorvastatin after starting or stopping siltuximab.
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 Siltuximab
Other interactions of Atorvastatin
- Atorvastatin + Tipranavir Contraindicated
- Atazanavir + Atorvastatin Major
- Atorvastatin + Clarithromycin Major
- Atorvastatin + Cobicistat Major
- Atorvastatin + Cyclosporin Major
- Atorvastatin + Cyclosporine Major
Frequently asked questions
Can I take Atorvastatin with Siltuximab?
MediHelp rates the interaction as moderate. Atorvastatin and Siltuximab 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. Siltuximab may normalize CYP3A4 activity suppressed by IL-6, increasing atorvastatin metabolism and reducing its lipid-lowering effect. The effect may persist for weeks after stopping siltuximab.
How serious is the interaction between Atorvastatin and Siltuximab?
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 lipid response and consider a dose adjustment of atorvastatin after starting or stopping siltuximab.
What other medicines interact with Siltuximab?
MediHelp also lists interactions of Siltuximab with, for example, Baricitinib, Carbamazepine, Cyclosporin. The full list is on the Siltuximab page.
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