Brand Names:
5-flurocytosine, Ancobon


Drug Type: Antifungal

Flucytosine (Ancobon)


Flucytosine (Ancobon) is an antifungal drug used often in combination with other antifungals for the long-term treatment of aspergillosis, and sometimes in severe cases of candidasis (sour crop) when birds are resistant nystatin.

Caution. The drug is toxic to bone marrow. Birds treated with flucytosine should be regularly monitored with CBCs for possible bone marrow damage.
It comes available as a capsule (250 and 500 mg), given orally.
20-50 mg/kg, given twice a day by mouth.
  • Bone marrow damage