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Interazioni tra farmaci

Dexlansoprazole + Gefitinib

Gravità: Maggiore

Dexlansoprazole and Gefitinib: major interaction.

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Sintesi

Gefitinib needs an acidic stomach for adequate absorption, and acid suppression with a PPI lowers its exposure markedly. This may reduce anticancer efficacy.

Cosa significa questa interazione in parole semplici

Dexlansoprazole and Gefitinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Dexlansoprazole belongs to Gastrointestinal Tract; Gefitinib belongs to Oncology.

Livello di evidenza: High

Perché avviene

Increased gastric pH reduces gefitinib solubility and absorption.

Cosa fare

Avoid PPIs if possible. If one is required, take gefitinib 12 hours after the PPI dose, though this may not fully prevent the effect.

Cosa chiedere al farmacista

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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

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Domande frequenti

Can I take Dexlansoprazole with Gefitinib?

MediHelp rates the interaction as major. Dexlansoprazole and Gefitinib can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Gefitinib needs an acidic stomach for adequate absorption, and acid suppression with a PPI lowers its exposure markedly. This may reduce anticancer efficacy.

How serious is the interaction between Dexlansoprazole and Gefitinib?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid PPIs if possible. If one is required, take gefitinib 12 hours after the PPI dose, though this may not fully prevent the effect.

What other medicines interact with Dexlansoprazole?

MediHelp also lists interactions of Dexlansoprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Dexlansoprazole page.

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