HOW TO USE: Take this medication by mouth, usually 4 times a day (before meals and at bedtime) or as directed by your doctor. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose.
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.acrolimus was first approved by the Food and Drug Administration in 1994 for use in liver transplantation; this has been extended to include kidney, heart, small bowel, pancreas, lung, trachea, skin, cornea, bone marrow, and limb transplants.
The Test. The tacrolimus test is used to measure the amount of the drug in the blood to determine whether the concentration has reached a therapeutic level and is below the toxic level.It is important to monitor levels of tacrolimus for several reasons:he Test. The tacrolimus test is used to measure the amount of the drug in the blood to determine whether the concentration has reached a therapeutic level and is below the toxic level.