Tacrolimus Uses Tacrolimus is used for Atopic dermatitis, prevention of organ rejection in transplant patients, rheumatoid arthritis, nephrotic syndrome, psoriasis, bone marrow transplantation and uveitis.   How Tacrolimus works Tacrolimus is an immunosuppressant. In organ transplant patients, it works by suppressing your body’s immune response helping your body to accept the new organ as if it were your own. In allergic eye disease, it works by decreasing the production of chemicals (eg. histamine) that cause allergic eye symptoms such as inflammation (redness and swelling).   Common side effects of Tacrolimus Increased glucose level in blood, Insomnia (difficulty in sleeping), Increased potassium level in blood, High blood pressure, Renal toxicity, Neurotoxicity, Gastrointestinal disorder, Diabetes, Infection, Decreased appetite, Electrolyte imbalance, Fluid overload, Blood cell abnormalities   Disclaimer The content on this website is only for informational purposes. Please take advice from your doctor or healthcare professionals. Do not self-medicate. Consult with your doctor before taking this medicine.