Rifampicin: in patients not also taking ciclosporin, concomitant administration of Mycophenolate mofetil and rifampicin resulted in a decrease in MPA exposure (AUC 0-12h) of 18% to 70%. It is recommended to monitor MPA exposure levels and to adjust Mycophenolate mofetil Teva doses accordingly to maintain clinical efficacy when rifampicin is administered concomitantly.