🦠microbiology review

Itraconazole

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

Itraconazole is an antifungal medication used to treat a variety of fungal infections. It is particularly effective against dermatophytes, yeasts, and molds.

5 Must Know Facts For Your Next Test

  1. Itraconazole works by inhibiting the enzyme lanosterol 14α-demethylase, which is crucial for fungal cell membrane synthesis.
  2. It is commonly prescribed for mycoses of the skin such as tinea corporis (ringworm) and tinea pedis (athlete's foot).
  3. For respiratory system infections, itraconazole is effective against aspergillosis and histoplasmosis.
  4. Itraconazole can also be used to treat oral thrush and esophageal candidiasis in the digestive system.
  5. The medication can interact with other drugs, so it is important to monitor for potential side effects like liver toxicity.

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