What should I discuss with my healthcare provider before using fluorouracil topical (Carac, Efudex, Fluoroplex)?
Before using fluorouracil topical, tell your doctor if you: • have ever had an allergic reaction to another form of fluorouracil topical (Carac, Efudex, Fluoroplex) or injectable fluorouracil (Adrucil, 5-FU); or • have dihydropyrimidine dehydrogenase (DPD) enzyme deficiency. You may not be able to use fluorouracil topical, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above. Fluorouracil topical is in the FDA pregnancy category X. This means that it is known to harm an unborn baby. Miscarriage and birth defects have been reported when fluorouracil topical was applied to mucous membrane areas by pregnant women. Do not use fluorouracil topical if you are pregnant or planning a pregnancy. Discuss with your doctor appropriate forms of birth control before starting treatment with fluorouracil topical. It is not known whether fluorouracil topical passes into breast milk. Do not use fluorouracil topical without first tal
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