Triazole antifungal: Class Overview and Comparison
Quick answer: Triazole antifungal are a class of medicines used for specific therapeutic indications. iMedic covers 7 triazole antifungal substances. Below is a comparison table linking to detailed pages for each.
Triazole antifungal on iMedic (7 substances)
| Substance | Primary indications | Mechanism | Common dose |
|---|---|---|---|
| Cresemba | Invasive aspergillosis, Invasive mucormycosis | Inhibits fungal cytochrome P450-dependent ergosterol synthesis, disrupting funga | 372 mg (equivalent to 200 mg isavuconazole) every 8 hours for 6 doses, then once daily |
| Fluconazol | Candidiasis (oral, vaginal, systemic), Cryptococcal meningitis | Inhibits fungal cytochrome P450 enzyme 14-alpha-demethylase, blocking ergosterol | 50-400 mg orally or IV once daily; 150 mg single dose for vaginal candidiasis |
| Fluconazole | Candidiasis (oral, vaginal, systemic), Cryptococcal meningitis | Inhibits fungal cytochrome P450 enzyme 14-alpha-demethylase, blocking ergosterol | 50-400 mg orally or IV once daily; 150 mg single dose for vaginal candidiasis |
| Itrakonazol | Systemic mycoses, Onychomycosis | Inhibits fungal cytochrome P450 14-alpha-demethylase, blocking ergosterol synthe | 100-400 mg once or twice daily |
| Noxafil | Invasive aspergillosis, Invasive candidiasis prophylaxis | Inhibits fungal lanosterol 14-alpha-demethylase blocking ergosterol synthesis in | 300 mg once daily (tablet/IV); 200 mg three times daily (suspension) |
| Posaconazole | Invasive aspergillosis, Invasive candidiasis prophylaxis | Inhibits fungal lanosterol 14-alpha-demethylase, blocking ergosterol synthesis i | 300 mg once daily (delayed-release tablets) after loading dose |
| Vfend | Invasive aspergillosis, Invasive candidiasis | Voriconazole inhibits fungal cytochrome P450-dependent 14-alpha-lanosterol demet | 200 mg twice daily (after loading dose) |
About Triazole antifungal
Triazole antifungal share a common mechanism of action and clinical use. Specific dosing, side effects, contraindications, and drug interactions vary between individual substances within the class. Click any substance above for full prescribing information and patient guidance.
Common considerations across the class
- Indication-specific selection: Different members may be preferred for different conditions or patient populations
- Dose equivalence: Members of the same class are not always interchangeable on a 1:1 dose basis
- Drug interactions: Class members often share interaction profiles (e.g., CYP enzyme effects) but individual variation matters
- Side effects: Some side effects are class-wide; others are substance-specific
- Contraindications: Individual contraindications may not generalize across the class
Always consult the prescribing information for the specific medicine prescribed and discuss with your clinician.
Frequently asked questions
What are Triazole antifungal?
Triazole antifungal are medicines that share a common mechanism of action used for specific therapeutic indications. iMedic currently covers 7 substances in this class with detailed pages for each.
Are all Triazole antifungal interchangeable?
No. While medicines in the same class share a mechanism, they differ in potency, dosing, drug interactions, and tolerability. Switching between them is a clinical decision based on individual response, side effects, and treatment goals.
How do I choose between different Triazole antifungal?
Selection depends on the specific clinical indication, patient factors (age, comorbidities, kidney/liver function, other medications), tolerability of side effects, cost, and clinician preference. This is a prescribing decision.
Are Triazole antifungal available as generics?
Most well-established class members are available as generic alternatives, often substantially less expensive than brand-name versions while clinically equivalent. Newer members may still be brand-only.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.