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Drug interactions

Bicalutamide + Bosutinib

Severity: Minor

Bicalutamide and Bosutinib: 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

Bicalutamide may weakly inhibit CYP3A4 and slightly raise bosutinib exposure, which is a CYP3A4 substrate. The effect is probably small, but bosutinib toxicities include diarrhea and hepatotoxicity.

What this interaction means in plain words

Bicalutamide and Bosutinib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Bicalutamide belongs to Endocrine; Bosutinib belongs to Oncology.

Evidence level: Low

Why it happens

Weak possible CYP3A4 inhibition by bicalutamide reduces bosutinib metabolism.

What to do

Monitor liver enzymes and gastrointestinal tolerance as is routine with bosutinib; no dose change is usually needed.

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?

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 Bicalutamide with Bosutinib?

MediHelp rates the interaction as minor. Bicalutamide and Bosutinib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Bicalutamide may weakly inhibit CYP3A4 and slightly raise bosutinib exposure, which is a CYP3A4 substrate. The effect is probably small, but bosutinib toxicities include diarrhea and hepatotoxicity.

How serious is the interaction between Bicalutamide and Bosutinib?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor liver enzymes and gastrointestinal tolerance as is routine with bosutinib; no dose change is usually needed.

What other medicines interact with Bicalutamide?

MediHelp also lists interactions of Bicalutamide with, for example, Lomitapide, Aminolevulinic acid, Eliglustat. The full list is on the Bicalutamide page.

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