Flucytosine interactions

Flucytosine (Ancobon), an antifungal has 12 documented interactions across the FDA labels and fact sheets we index: 0 major, 3 moderate, 9 minor, and 0 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.

Interactions from the label

Moderate interactions (3)

  • Amphotericin BantifungalModerate

    Flucytosine Concurrent use of flucytosine may increase the toxicity of flucytosine by possibly increasing its cellular uptake and/or impairing its renal excretion. (Amphotericin B label, Drug interactions)

  • GanciclovirantiviralModerate

    Other drugs associated with myelosuppression or nephrotoxicity (e.g., dapsone, doxorubicin, flucytosine, hydroxyurea, pentamidine, tacrolimus, trimethoprim/ sulfamethoxazole, vinblastine, vincristine and zidovudine) Unknown Because of potential for higher toxicity, coadministration with Ganciclovir should be considered only if the potential benefits are judged… (Ganciclovir label, Drug interactions)

  • ValganciclovirantiviralModerate

    Other drugs associated with myelosuppression or nephrotoxicity (e.g., adriamycin, dapsone, doxorubicin, flucytosine, hydroxyurea, pentamidine, tacrolimus, trimethoprim/ sulfamethoxazole, vinblastine, vincristine, and zidovudine) Unknown Because of potential for higher toxicity, coadministration with valganciclovir hydrochloride should be considered only if the… (Valganciclovir label, Drug interactions)

Minor mentions (9)

  • Clotrimazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

  • Econazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

  • Fluconazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

  • FluorouracilantimetaboliteMinor

    5-Fluorouracil is a metabolite of flucytosine. (Flucytosine label, Warnings)

  • Itraconazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

  • Ketoconazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

  • Miconazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

  • Posaconazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

  • Voriconazoleazole antifungalMinor

    Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

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Not medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.