When you can't authorize a transaction over the Internet (perhaps because you can't access the Internet, or you need an approval for a high dollar amount), you must call the cardholder's bank to get a voice authorization code. To submit a voice authorization code for a credit card transaction:
Tacrolimus (also FK-506 or fujimycin, trade names Prograf, Advagraf, Protopic) is an immunosuppressive drug used mainly after allogeneic organ transplant to lower the risk of organ rejection.
The immune system can also fight or reject a transplanted organ such as a liver or kidney. This is because the immune system treats the new organ as an invader. Tacrolimus is used together with other medicines to prevent your body from rejecting a heart, liver, or kidney transplant.Tacrolimus may also be used for purposes not listed in this medication guide.he immune system can also fight or reject a transplanted organ such as a liver or kidney. This is because the immune system treats the new organ as an invader. Tacrolimus is used together with other medicines to prevent your body from rejecting a heart, liver, or kidney transplant.