The drug insert for tacrolimus capsules does not specify what time is good to take it. When the regular dose is taken once a day in the morning and once in the evening, it is recommended to take it on an empty stomach, or at least 1 hour before or 2 to 3 hours after a meal. Patients please according to their own situation, under the guidance of the doctor reasonable use of drugs. Tacrolimus Capsules are mainly used for the prevention of graft rejection after liver or kidney transplantation, as well as the treatment of graft rejection after liver or kidney transplantation that cannot be controlled by the application of other immunosuppressive drugs. Adverse reactions to tacrolimus capsules include: infection, abnormal renal function, tremor, headache, abnormal sensation, insomnia, hypertension anemia, thrombocytopenia, diabetes mellitus, diarrhea, nausea, asthma, dyspnea, alopecia, hirsutism, itching, sweating, rash, arthralgia, myalgia, cramps, weakness, malaise, fever and other symptoms. In addition, it is contraindicated in patients who are allergic to any of the ingredients in Tacrolimus Capsules, in patients who are allergic to other macrolides, in women during pregnancy, and this drug should not be used concurrently with cyclosporine. If you need to use tacrolimus capsule, it is recommended to consult a professional doctor, follow the doctor’s instructions for standardized treatment, not blindly use the drug on their own.