Tacrolimus: learn about side effects, dosage, special precautions, and more on MedlinePlus Describes how the tacrolimus test is used, when a tacrolimus test is ordered, and what the results of a tacrolimus test might mean Major drug interactions with cyclosporine and tacrolimus Major drug interactions with cyclosporine (CsA) and tacrolimus (TAC): 1, 2 ncreased I immunosuppressant. Grapefruit juice can interact with drugs. Find out if the medication you are taking is at risk of a drug interaction with grapefruit juice. 'A breakfast of grapefruit and marmalade on toast could be lethal for people taking medication' is the alarming warning in the Daily Mail. More prescription drugs are on the market that can interact with grapefruit juice with potentially serious effects such as sudden death, Canadian doctors warn. Grapefruit information based on scientific evidence includes description, drug interactions, safety concerns, and effectiveness. Find out about ENVARSUS XR, a unique oncedaily immunosuppressant tablet. Learn more about why its different and find out if its right for you. Physician reviewed tacrolimus (oral and injection) (oral and injection) patient information includes tacrolimus (oral and injection) description, dosage. 5 mg tacrolimus (as tacrolimus monohydrate). Excipient with known effect: Each capsule contains 48. Tacrolimus Other names: TAC; FK506 Tacrolimus is a drug, which is given to patients who have had organ transplant surgery. Tacrolimus is an immunosuppressive drug. Tacrolimus, also known as fujimycin or FK506, is an immunosuppressive drug used mainly after allogeneic organ transplant to lower the risk of organ rejection. Your morning grapefruit juice may not be a good idea if you're taking certain medications for your heart or other conditions. 5 mg of tacrolimus (as monohydrate). Excipient with known effect: 62. 85 mg of lactose monohydrate History. The effect of grapefruit juice with regard to drug absorption was originally discovered in 1989. The first published clinical report on grapefruit drug. Die Grapefruit (Citrus aurantium, Syn. : Citrus paradisi), selten auch Adamsapfel oder Paradiesapfel genannt, ist die Frucht des Grapefruitbaumes, einer. Grapefruit juice can be dangerous for people on certain medications, nurse researchers remind doctors, nurses, and everyone who takes medicine and enjoys. PROGRAF is an antirejection medication for kidney, liver, or heart transplant patients. Please see complete Prescribing Information, including boxed warning..