My Friend Has Been On Macro Bid For UTI Symptoms

My friend has been on macro bid for UTI symptoms over a month was on one course of macro bid finnished still has sym has been in contact with several times had urine sped for c&s said she could take more macro bid lore left flank pain increased urination drinking cranberry juice.bshe wanted septra as in worked in past her dr refused put her back on macrbid for 2 weeks any suggestions she is retired nurse ad I am and knows her boby