Drug interactions
Metronidazole + Paclitaxel protein bound
Severity: Minor
Metronidazole and Paclitaxel protein bound: minor 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
Paclitaxel is metabolized by CYP2C8 and CYP3A4, and strong inhibitors may increase toxicity such as neutropenia and neuropathy. Metronidazole's weak CYP3A4 effect is unlikely to matter clinically. Metronidazole can also cause peripheral neuropathy with prolonged use, which may add to paclitaxel neuropathy.
What this interaction means in plain words
Metronidazole and Paclitaxel protein bound have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible weak CYP3A4 inhibition, plus overlapping neurotoxicity with prolonged metronidazole use.
What to do
No dose adjustment is needed; monitor blood counts and neuropathy symptoms, and limit metronidazole duration where feasible.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Metronidazole
- Ethanol + Metronidazole Contraindicated
- Metronidazole + Pimozide Contraindicated
- Amiodarone + Metronidazole Major
- Disulfiram + Metronidazole Major
- Ergotamine + Metronidazole Major
- Lomitapide + Metronidazole Major
Frequently asked questions
Can I take Metronidazole with Paclitaxel protein bound?
MediHelp rates the interaction as minor. Metronidazole and Paclitaxel protein bound have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Paclitaxel is metabolized by CYP2C8 and CYP3A4, and strong inhibitors may increase toxicity such as neutropenia and neuropathy. Metronidazole's weak CYP3A4 effect is unlikely to matter clinically. Metronidazole can also cause peripheral neuropathy with prolonged use, which may add to paclitaxel neuropathy.
How serious is the interaction between Metronidazole and Paclitaxel protein bound?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose adjustment is needed; monitor blood counts and neuropathy symptoms, and limit metronidazole duration where feasible.
What other medicines interact with Metronidazole?
MediHelp also lists interactions of Metronidazole with, for example, Ethanol, Pimozide, Amiodarone. The full list is on the Metronidazole page.
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