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Medicines folic acidQuestion & answer

folic acid · Medicine question

What interaction is reported between folic acid and fluorouracil?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Fluorouracil toxicity may occur in patients taking folic acid, and this combination should be avoided.

Sources for this answer

Folic Acid 5mg TabletsWockhardt UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated 9 July 2018

Sources checked 8 November 2026

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folic acid

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