Diarrhea and other gastrointestinal symptoms are common complications after solid organ transplantation, with an incidence of 12.6%, and up to 34% of cases may be related to the use of immunosuppressive drugs. The inclusion of MMF (Mycophenolate mofetil) in the immunosuppressive regimen has significantly reduced the rate of acute rejection, although its use is associated with an increased rate of gastrointestinal complications.