Drug interactions
Cinacalcet + Levoketoconazole
Severity: Moderate
Cinacalcet and Levoketoconazole: 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
Levoketoconazole is a strong CYP3A4 inhibitor and can raise cinacalcet concentrations. This increases the risk of hypocalcemia and related effects.
What this interaction means in plain words
Cinacalcet and Levoketoconazole 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.
Cinacalcet belongs to Miscellaneous; Levoketoconazole belongs to Endocrine.
Why it happens
Strong CYP3A4 inhibition reduces cinacalcet metabolism.
What to do
Monitor serum calcium and PTH closely and reduce the cinacalcet dose as needed when levoketoconazole is started or stopped.
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 Cinacalcet
- Cinacalcet + Etelcalcetide Contraindicated
- Cinacalcet + Eliglustat Major
- Cinacalcet + Metoclopramide Major
- Cinacalcet + Metoclopramide intranasal Major
- Cinacalcet + Tamoxifen Major
- Abiraterone + Cinacalcet Moderate
Other interactions of Levoketoconazole
- Alfuzosin + Levoketoconazole Contraindicated
- Alprazolam + Levoketoconazole Contraindicated
- Amiodarone + Levoketoconazole Contraindicated
- Avanafil + Levoketoconazole Contraindicated
- Cisapride + Levoketoconazole Contraindicated
- Clarithromycin + Levoketoconazole Contraindicated
Frequently asked questions
Can I take Cinacalcet with Levoketoconazole?
MediHelp rates the interaction as moderate. Cinacalcet and Levoketoconazole 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. Levoketoconazole is a strong CYP3A4 inhibitor and can raise cinacalcet concentrations. This increases the risk of hypocalcemia and related effects.
How serious is the interaction between Cinacalcet and Levoketoconazole?
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 serum calcium and PTH closely and reduce the cinacalcet dose as needed when levoketoconazole is started or stopped.
What other medicines interact with Cinacalcet?
MediHelp also lists interactions of Cinacalcet with, for example, Etelcalcetide, Eliglustat, Metoclopramide. The full list is on the Cinacalcet page.
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