Ketoconazole and Prednisolone: Drug Interaction Guide

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

Interaction severity: Moderate — caution required

How Ketoconazole interacts with Prednisolone

Ketoconazole inhibits CYP3A4 metabolism of prednisolone and other corticosteroids. Increased corticosteroid exposure may increase adrenal suppression and systemic steroid adverse effects.

What you should do

Use the lowest effective corticosteroid dose and monitor for Cushingoid effects, hyperglycemia, hypertension, and adrenal suppression. Consider an alternative antifungal if prolonged therapy is needed.

Key facts

Severity

Moderate — caution required

Mechanism

Ketoconazole inhibits CYP3A4 metabolism of prednisolone and other corticosteroids. Increased corticosteroid exposure may...

Action

Use the lowest effective corticosteroid dose and monitor for Cushingoid effects, hyperglycemia, hypertension, and adrena...

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 Ketoconazole and Prednisolone together?

With caution. Use the lowest effective corticosteroid dose and monitor for Cushingoid effects, hyperglycemia, hypertension, and adrenal suppression. Consider an alternative antifungal if prolonged therapy is needed.

What is the severity of this interaction?

The interaction between Ketoconazole and Prednisolone is classified as Moderate — caution required. Ketoconazole inhibits CYP3A4 metabolism of prednisolone and other corticosteroids. Increased corticosteroid exposure may increase adrenal suppression and systemic steroid adverse effects.

What should I do if I'm prescribed both?

Use the lowest effective corticosteroid dose and monitor for Cushingoid effects, hyperglycemia, hypertension, and adrenal suppression. Consider an alternative antifungal if prolonged therapy is needed. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

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