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What is a TACROLIMUS?

The Tacrolimus test is a blood test used to measure the level of tacrolimus; an immunosuppressive drug commonly prescribed after organ transplantation. Tacrolimus helps prevent the body from rejecting transplanted organs such as the kidney, liver, or heart. Monitoring its levels is crucial because too little may lead to organ rejection, while too much can cause toxicity and side effects. Healthcare professionals recommend this test regularly to ensure the drug remains within the therapeutic range, guiding safe and effective treatment management.

Additional Information

Also known as/ Other names: Tacrolimus Level Test, FK506 Blood Level, Tacrolimus Therapeutic Drug Monitoring, Serum Tacrolimus Test
Parameters: 1
Recommended for: M/F/Others
Sample Type: Blood
Patient Preparation: Ideal sampling time: Just before the next dose (Trough levels). Provide amount & time of dose.
Reports: Next Day

FAQs

What does a high tacrolimus level mean?

It may indicate risk of toxicity, causing kidney damage, tremors, or other side effects.

What does a low tacrolimus level mean?

It suggests insufficient immunosuppression, increasing the risk of organ rejection.

Can other medications affect tacrolimus levels?

Yes, drugs like antifungals, antibiotics, and anticonvulsants can alter tacrolimus metabolism.

Can food affect tacrolimus levels?

Yes, grapefruit and certain foods may interfere with drug metabolism, altering levels.

Can tacrolimus levels fluctuate?

Yes, levels can vary with dosage timing, drug interactions, and individual metabolism.

Is tacrolimus monitoring lifelong?

Yes, transplant patients usually require lifelong monitoring to maintain safe drug levels.

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