PROGRAF tacrolimus capsules and injection | Healthcare ProfessionalsTake a look inside the mechanism of action for Prograf and experience how it works to help facilitate successful renal, hepatic, and cardiac allograft transplantation. (tacrolimus) is indicated for the prophylaxis of organ rejection in patients receiving allogeneic liver, kidney, or heart transplants. It is recommended that Prograf be used concomitantly with adrenal corticosteroids. Because of the risk of anaphylaxis, Prograf injection should be reserved for patients unable to take Prograf capsules orally. In heart transplant recipients, it is recommended that Prograf be used in conjunction with azathioprine or mycophenolate mofetil. The safety and efficacy of the use of Prograf with sirolimus has not been established.