Terfenadine + Ketoconazole
Major: QT prolongation; ketoconazole increases terfenadine. Combination contraindicated.
Interaction Details
- Severity classification
- Mechanism of interaction
- Clinical management
- Alternative options
Clinical Significance
Major: QT prolongation; ketoconazole increases terfenadine. Combination contraindicated.
Always consult with your pharmacist or healthcare provider before starting any new medications to check for potential interactions.