methotrexate
Otto Brandes GmbH
['methotrexate', 'ease,(-please),(-disease),(-incrrease),(-decrease)', 'rheumatoid,arthritis']
#methotrexate can be helpful in treating #rheumatoidarthritis, but it can also increase the risk of vitamin b12 deficiency. could supplementing with vitamin b12 while taking mtx offset the risk? #acr22 study finds that it appears so, but "additional studies are needed." 
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