Dear Dr Rynne My Name Is Lisa And Have Had

Dear Dr rynne my name is Lisa and have had a liver problem in the past which is being dealt with by specialists but they have put me on a long term antibiotic called resprim forte because I got perotinitisin hospital and It was quite severe so they put me on long term antibiotic norfloxacin 12 months ago but it is hard to get so they changed it to resprim forte but having reading the leaflet given to me by a pharmacist it said I should not take it if I have liver problems in bold letters I know it is the same as Bactrim what should I do I have to be on this tablet for a long time thankyou.?