FLUCYTOSINE

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183
FLUCYTOSINE
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Infant Data

Results

MEDICAL INFORMATIONS

INDICATIONS

Antifungal agent used in combination with amphotericin B or fluconazole for treatment of infections caused by Candida, Cryptococcus, and other sensitive fungi.

ADVERSE EFFECTS

Toxicities are related to serum concentration above 100 mcg/mL, and are usually reversible if the drug is stopped or the dose is reduced. Fatal bone marrow depression (related to fluorouracil production), hepatitis, severe diarrhea, rash. Amphotericin B may increase toxicity by decreasing renal excretion.

BLACK BOX WARNING

According to the manufacturer’s BLACK BOX WARNINGextreme caution is recommended in patients with impaired renal function. Close monitoring of hematologic, renal, and hepatic status of all patients is essential.

MONITORING

Desired peak serum concentration ranges from 50 to 80 mcg/mL. Assess renal function. Follow GI status closely. Twice-weekly CBC and platelet counts. Periodic AST, ALT.