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Drug interactions

Cisplatin + Ethotoin

Severity: Moderate

Cisplatin and Ethotoin: 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

Cisplatin-based chemotherapy has been associated with reduced serum levels of hydantoin anticonvulsants such as phenytoin, which may lead to loss of seizure control. Data for ethotoin specifically are lacking and the effect is extrapolated.

What this interaction means in plain words

Cisplatin and Ethotoin 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.

Evidence level: Low

Why it happens

Not well established; possibly reduced absorption or altered disposition of the anticonvulsant during chemotherapy.

What to do

Monitor seizure control and anticonvulsant response during cisplatin therapy and adjust the ethotoin dose as needed.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cisplatin with Ethotoin?

MediHelp rates the interaction as moderate. Cisplatin and Ethotoin 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. Cisplatin-based chemotherapy has been associated with reduced serum levels of hydantoin anticonvulsants such as phenytoin, which may lead to loss of seizure control. Data for ethotoin specifically are lacking and the effect is extrapolated.

How serious is the interaction between Cisplatin and Ethotoin?

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 seizure control and anticonvulsant response during cisplatin therapy and adjust the ethotoin dose as needed.

What other medicines interact with Cisplatin?

MediHelp also lists interactions of Cisplatin with, for example, Cidofovir, Adefovir, Adenovirus types 4 and 7 live. The full list is on the Cisplatin page.

Full monographs, dosing and an interaction checker in the MediHelp app

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