Tacrolimus capsules to take how long to see the effect can not be clearly judged, mainly with the patient’s own physical and medical conditions, no strict sense of how long to take the effect of this statement, clinically, the service time from 1 to 3 months, the patient to follow the doctor’s instructions to use the drug can be. Tacrolimus capsule is mainly used for the prevention of graft rejection after liver and kidney transplantation, the treatment of graft rejection after liver and kidney transplantation using other immunosuppressive drugs can not be controlled. Adverse reactions to tacrolimus capsules include: infection, abnormal renal function, tremor, headache, insomnia, hyperglycemia, hypertension, anemia, thrombocytopenia, leukocytosis or leukopenia, pancytopenia, diarrhea, nausea, asthenia, dyspnea, visual abnormalities, alopecia, hirsutism, itching, sweating, rash, arthralgia, myalgia, weakness, malaise, fever and other symptoms. In addition, it is forbidden for patients who are allergic to tacrolimus capsule products or other macrolides, this drug can not be combined with cyclosporine, you should not drive or operate dangerous machinery during the use of the drug, and it is forbidden to use it for pregnant women and nursing mothers. If you need to use tacrolimus capsules, it is recommended to consult a professional doctor, follow the doctor’s instructions to standardize the use of medication, do not unauthorized use of drugs.