Transplant Medications For Life?

It’s a fact of life that once you get a transplant, mine being a kidney, that you will need to take medication for the rest of it’s life so that your own body doesn’t reject it. The medications used for this  fall under one of the following categories:
Azathioprine~Imuran, manufactured by Prometheus Laboratories, Inc.

Basilizimab~  Simulext, manufactured [...]