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Chris from Sherwood Park asks: I am taking methotrexate injections. folic acid and Humira for my RA. I seem to be getting many more canker sores lately. Is there anything else I can do besides taking the folic acid to prevent them?

Mouth sores can be a side effect from methotrexate and one you should discuss with your rheumatologist to determine the best way at treating them. Options include increasing the dose of folic acid, decreasing the methotrexate, or replacing folic acid with folinic acid. The choice is unique to each patient’s situation and should be discussed with your doctor.