Erlotinib and Pantoprazole: Drug Interaction Guide
Quick answer: This is a major interaction — avoid combining Erlotinib and Pantoprazole unless specifically directed by your doctor.
How Erlotinib interacts with Pantoprazole
Pantoprazole produces sustained gastric acid suppression, reducing the pH-dependent solubility and absorption of erlotinib and potentially decreasing antitumor efficacy.
What you should do
Avoid proton-pump inhibitors during erlotinib therapy. Use a carefully timed alternative acid-reducing strategy if treatment is essential.
Key facts
Severity
Major — avoid combination
Mechanism
Pantoprazole produces sustained gastric acid suppression, reducing the pH-dependent solubility and absorption of erlotin...
Action
Avoid proton-pump inhibitors during erlotinib therapy. Use a carefully timed alternative acid-reducing strategy if treat...
Frequently asked questions
Can I take Erlotinib and Pantoprazole together?
No — this combination should generally be avoided. Avoid proton-pump inhibitors during erlotinib therapy. Use a carefully timed alternative acid-reducing strategy if treatment is essential.
What is the severity of this interaction?
The interaction between Erlotinib and Pantoprazole is classified as Major — avoid combination. Pantoprazole produces sustained gastric acid suppression, reducing the pH-dependent solubility and absorption of erlotinib and potentially decreasing antitumor efficacy.
What should I do if I'm prescribed both?
Avoid proton-pump inhibitors during erlotinib therapy. Use a carefully timed alternative acid-reducing strategy if treatment is essential. Always consult your prescribing clinician — do not stop or change medications without medical guidance.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.