Famotidine and Itraconazole: Drug Interaction Guide

Quick answer: This combination requires caution. Famotidine and Itraconazole can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Famotidine interacts with Itraconazole

Famotidine raises gastric pH and can reduce dissolution and absorption of itraconazole capsules, lowering systemic antifungal exposure.

What you should do

Avoid the capsule formulation with acid suppression when possible, separate administration, or use an itraconazole formulation less dependent on gastric acidity and monitor clinical response.

Key facts

Severity

Moderate — caution required

Mechanism

Famotidine raises gastric pH and can reduce dissolution and absorption of itraconazole capsules, lowering systemic antif...

Action

Avoid the capsule formulation with acid suppression when possible, separate administration, or use an itraconazole formu...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Famotidine and Itraconazole together?

With caution. Avoid the capsule formulation with acid suppression when possible, separate administration, or use an itraconazole formulation less dependent on gastric acidity and monitor clinical response.

What is the severity of this interaction?

The interaction between Famotidine and Itraconazole is classified as Moderate — caution required. Famotidine raises gastric pH and can reduce dissolution and absorption of itraconazole capsules, lowering systemic antifungal exposure.

What should I do if I'm prescribed both?

Avoid the capsule formulation with acid suppression when possible, separate administration, or use an itraconazole formulation less dependent on gastric acidity and monitor clinical response. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.