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Drug interactions

Neomycin + Sorafenib

Severity: Moderate

Neomycin and Sorafenib: 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

In a study of healthy volunteers, a course of oral neomycin lowered sorafenib exposure substantially. Reduced sorafenib exposure could theoretically lessen antitumour efficacy.

What this interaction means in plain words

Neomycin and Sorafenib 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.

Neomycin belongs to Anti Bacterial; Sorafenib belongs to Oncology.

Evidence level: Moderate

Why it happens

Likely suppression of gut bacteria that contribute to sorafenib enterohepatic recycling (glucuronide deconjugation), though not firmly established.

What to do

Avoid unnecessary concurrent courses of oral neomycin with sorafenib. If neomycin is required, monitor for reduced sorafenib response.

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 Neomycin with Sorafenib?

MediHelp rates the interaction as moderate. Neomycin and Sorafenib 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. In a study of healthy volunteers, a course of oral neomycin lowered sorafenib exposure substantially. Reduced sorafenib exposure could theoretically lessen antitumour efficacy.

How serious is the interaction between Neomycin and Sorafenib?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unnecessary concurrent courses of oral neomycin with sorafenib. If neomycin is required, monitor for reduced sorafenib response.

What other medicines interact with Neomycin?

MediHelp also lists interactions of Neomycin with, for example, Amikacin, Amphotericin b deoxycholate, Capreomycin. The full list is on the Neomycin page.

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