What is flucytosine?
Flucytosine is an antifungal medication. It is like an antibiotic but is used to treat fungal infections.
Flucytosine is used to treat serious fungal infections of the blood, lungs, heart, central nervous system, and urinary tract.
Flucytosine may also be used for purposes other than those listed in this medication guide.
What is the most important information I should know about flucytosine?
Take all of the flucytosine that has been prescribed for you even if you begin to feel better. Your symptoms may begin to improve before the infection is completely treated.
Flucytosine may cause nausea and vomiting. You can reduce this side effect by taking the capsules a few at a time over a 15-minute period.
What should I discuss with my healthcare provider before taking flucytosine?
Before taking flucytosine, tell your doctor if you
have kidney disease,
have a blood or bone marrow disease, or
are being treated with radiation or a drug that causes bone marrow suppression.
You may not be able to take flucytosine or you may need a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.
Flucytosine is in the FDA pregnancy category C. This means that it is not known whether flucytosine will be harmful to an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant or could become pregnant during treatment.
It is not known whether flucytosine passes into breast milk. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.