crohns and low magnesium

i am wanting some information regarding my low magnesium i have had crohns diagnosed for ten years and for the past 8months i have had to have magnesium infusions every ten days as my levels are so low that it causes me to not be able to funtion at work and cant think straight cant drive cant sleep severely sleep deprived as wella s numbness and tingling along with bone and nerve pain. I take ten magnesium tablets a day and this still isnt helping i have have to travel over 120 kilometres to have this treatment as well as every 8 weeks have infliximab which has eased my stomach ailments. I some times feel severely unable to cope with just normal every day things CAN ANY ONE OFFER SOME HINTS THANKS MICHELLE