What is the Dose of Folic Acid to use with Methotrexate therapy for Rheumatoid Arthritis?

Q&A notes there is no definitive answer for the optimal folic acid dose in rheumatoid arthritis patients being treated with methotrexate. The British Society for Rheumatology recommends that patients on methotrexate are co-prescribed a minimum dose of 5mg folic acid once weekly.

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