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Flucytosine (5-fluorocytosine) is an antifungal medication used to treat fungal infections. It works by inhibiting the growth of fungi by interfering with their DNA synthesis. Flucytosine is usually used in combination with other antifungal medications.

Common side effects of flucytosine include nausea, vomiting, diarrhea, abdominal pain, headache, and rash. Rare but serious side effects include liver damage, bone marrow suppression, and kidney damage.

Brand names associated with flucytosine include Ancobon, Cytosar-U, and Mycobutin.

  • 5-fluorocytosine
  • flucytosine
  • anti-infective
  • antifungal
  • antimycotic

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