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Fluconazole Drug Interactions

Comprehensive drug interaction profile including cytochrome P450 interactions, contraindications, and clinical management strategies for safe co-administration.

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200+ Drug Interactions

Interaction Categories

Comprehensive Interaction Data

Cytochrome P450

Detailed CYP450 enzyme interactions and metabolic pathway considerations.

Contraindications

Absolute and relative contraindications with clinical rationale.

QT Prolongation

Cardiac safety considerations and QT interval monitoring.

Management Strategies

Clinical management strategies for significant drug interactions.

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Evidence-Based

Drug Safety

Evidence-Based Interaction Management

Our comprehensive drug interaction database provides healthcare professionals with detailed information on fluconazole interactions, mechanisms, and clinical management strategies.

Comprehensive CYP450 enzyme interaction data

Clinical significance ratings for all interactions

Evidence-based management recommendations

Regular updates with latest clinical data

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Major Drug Interactions

Fluconazole has significant interactions with several drug classes that require careful monitoring and dose adjustments.

  • Warfarin: Increased INR and bleeding risk
  • Phenytoin: Decreased fluconazole levels
  • Cyclosporine: Increased cyclosporine levels
  • Rifampin: Decreased fluconazole efficacy
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CYP450 Enzyme Interactions

Fluconazole is a potent inhibitor of CYP2C9 and CYP2C19, affecting the metabolism of many commonly prescribed medications.

  • Strong CYP2C9 inhibition affecting NSAIDs and oral hypoglycemics
  • Moderate CYP2C19 inhibition affecting PPIs and antidepressants
  • Minimal CYP3A4 effects compared to other azoles
  • Dose-dependent inhibition characteristics
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Cardiac Safety Considerations

While fluconazole has lower cardiac risk than other azoles, QT prolongation remains a concern in high-risk patients.

  • Monitor ECG in patients with existing QT prolongation
  • Avoid concomitant QT-prolonging medications when possible
  • Correct electrolyte abnormalities before initiation
  • Consider dose reduction in high-risk cardiac patients
Interaction Resources

Clinical Reference Materials

Complete Interaction Database

Comprehensive database of all known fluconazole drug interactions.

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Interaction Management Guide

Clinical management strategies for significant drug interactions.

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CYP450 Reference Chart

Quick reference for cytochrome P450 enzyme interactions.

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Our clinical pharmacology team provides expert consultation on complex drug interaction cases and management strategies.

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