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  • Flucytosine is an orally-available antifungal used for treating systemic mycoses.
Mechanism of Action
  • Flucytosine is activated by fungal enzymes and enters the nucleic acid synthetic pathway, generating a Thymidine analog. This analog can either inhibit normal Thymidine synthesis or can be incorporated during RNA synthesis, resulting in improper termination of the growing RNA chain.
Adverse Effects
  • Pancytopenia: May result due to reversible bone marrow suppression
  • Nonspecific Effects: These include nausea, vomiting, and diarrhea