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Drug interactions

Dicloxacillin + Tazemetostat

Severity: Moderate

Dicloxacillin and Tazemetostat: 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

Dicloxacillin is a weak to moderate CYP3A4 inducer and may lower tazemetostat exposure, which is a CYP3A4 substrate. Reduced exposure could diminish antitumor efficacy.

What this interaction means in plain words

Dicloxacillin and Tazemetostat 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.

Dicloxacillin belongs to Anti Bacterial; Tazemetostat belongs to Miscellaneous.

Evidence level: Low

Why it happens

CYP3A4 induction by dicloxacillin increases tazemetostat metabolism.

What to do

Monitor for reduced tumor response and prefer a non-inducing antibacterial when 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?

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 Dicloxacillin with Tazemetostat?

MediHelp rates the interaction as moderate. Dicloxacillin and Tazemetostat 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. Dicloxacillin is a weak to moderate CYP3A4 inducer and may lower tazemetostat exposure, which is a CYP3A4 substrate. Reduced exposure could diminish antitumor efficacy.

How serious is the interaction between Dicloxacillin and Tazemetostat?

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 for reduced tumor response and prefer a non-inducing antibacterial when feasible.

What other medicines interact with Dicloxacillin?

MediHelp also lists interactions of Dicloxacillin with, for example, Phenindione, Atogepant, Axitinib. The full list is on the Dicloxacillin page.

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