Methotrexate folic acid — GPhC CRA MCQ
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Correct answer: B — Take folic acid as prescribed to reduce methotrexate adverse effects
Folic acid reduces some methotrexate adverse effects and should be taken according to the regimen. In this vignette, "Take folic acid as prescribed to reduce methotrexate adverse effects" is the safest single best answer. The other options are less appropriate because they miss the key clinical risk, conflict with UK medicines guidance, or delay needed review.
Reference: BNF; NICE CKS; GPhC Standards