Prescription
Immunosuppressant (anti-rejection medicine)
Tacrolimus
Last reviewed April 2026
Who is this for?
What is this drug?
Tacrolimus is a powerful medicine that calms down your immune system (your body's defense system) to stop it from attacking a transplanted organ. It works by blocking certain white blood cells so your body accepts the new organ instead of rejecting it.
What is it used for?
Prevention of organ rejection after kidney transplantliver transplantheart transplant
Prescription Required
A doctor's prescription is required to obtain this drug legally.