causes to MS related cognitive issues too eg medication side effects, fatigue, pain,
sleep deprivation, psychological issue-depression, stress, self confidence etc
One way to basically work out if it's 'possibly' a secondary issue, is to make notes looking for any discernible patterns eg.....What do you experience eg memory loss of prior knowledge, deadlines, call backs, keys, phone. When you experience it eg every Monday afternoon to end of day.