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Drug interactions

Paracetamol + Pexidartinib

Severity: Moderate

Paracetamol and Pexidartinib: 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

Pexidartinib carries a boxed warning for serious and potentially fatal liver injury. Paracetamol is a recognized dose-dependent hepatotoxin, so combining them may add to hepatic risk, particularly at higher paracetamol doses.

What this interaction means in plain words

Paracetamol and Pexidartinib 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.

Paracetamol belongs to Musculoskeletal; Pexidartinib belongs to Oncology.

Evidence level: Low

Why it happens

Additive hepatotoxicity from two agents that can independently injure the liver; no pharmacokinetic mechanism is established.

What to do

Keep paracetamol at low doses, within 2 g daily if possible, and monitor liver tests as required by the pexidartinib program. Stop pexidartinib per labeling if liver enzymes rise.

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 Paracetamol with Pexidartinib?

MediHelp rates the interaction as moderate. Paracetamol and Pexidartinib 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. Pexidartinib carries a boxed warning for serious and potentially fatal liver injury. Paracetamol is a recognized dose-dependent hepatotoxin, so combining them may add to hepatic risk, particularly at higher paracetamol doses.

How serious is the interaction between Paracetamol and Pexidartinib?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep paracetamol at low doses, within 2 g daily if possible, and monitor liver tests as required by the pexidartinib program. Stop pexidartinib per labeling if liver enzymes rise.

What other medicines interact with Paracetamol?

MediHelp also lists interactions of Paracetamol with, for example, Ethanol, Busulfan, Carbamazepine. The full list is on the Paracetamol page.

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