However, in my experience, this stomatitis may take a number of weeks to go away completely if a patient been on methotrexate, for an extended period of time, because the medication is stored within the liver and in fatty tissue. 
However , in my experience , this stomatitis may take a number of weeks to go away completely if a patient been on methotrexate , for an extended period of time , because the medication is stored within the liver and in fatty tissue .