Drug interactions
Cabazitaxel + Isoniazid
Severity: Moderate
Cabazitaxel and Isoniazid: 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
Cabazitaxel is cleared mainly by CYP3A4, and isoniazid can inhibit this enzyme. Higher cabazitaxel exposure may worsen neutropenia and gastrointestinal toxicity.
What this interaction means in plain words
Cabazitaxel and Isoniazid 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.
Cabazitaxel belongs to Oncology; Isoniazid belongs to Anti Bacterial.
Why it happens
Isoniazid inhibits CYP3A4-mediated metabolism of cabazitaxel.
What to do
Monitor blood counts closely and watch for neutropenia and diarrhea. Consider an alternative antituberculosis regimen if feasible.
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 Isoniazid
Other interactions of Cabazitaxel
Frequently asked questions
Can I take Cabazitaxel with Isoniazid?
MediHelp rates the interaction as moderate. Cabazitaxel and Isoniazid 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. Cabazitaxel is cleared mainly by CYP3A4, and isoniazid can inhibit this enzyme. Higher cabazitaxel exposure may worsen neutropenia and gastrointestinal toxicity.
How serious is the interaction between Cabazitaxel and Isoniazid?
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 counts closely and watch for neutropenia and diarrhea. Consider an alternative antituberculosis regimen if feasible.
What other medicines interact with Isoniazid?
MediHelp also lists interactions of Isoniazid with, for example, Bacillus calmette-guerin substrain tice, Benzhydrocodone / acetaminophen, Carbamazepine. The full list is on the Isoniazid page.
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