Taking tacrolimus capsules can cause side effects such as allergic reaction, platelet drop, acidosis, etc. Different treatments need to be taken according to the specific types of side effects, which can be treated with drugs such as prednisone as well as general treatment. 1. Allergic reaction: taking tacrolimus capsules can cause allergic reaction, including rash, urticaria, itching, blisters, dyspnea, angioneurotic edema, and even anaphylactic shock. You can use prednisone and other glucocorticoid anti-allergy treatment, and correct anaphylactic shock with norepinephrine and epinephrine if necessary. 2. Platelet drop: eating tacrolimus capsules can cause platelet drop. If the platelet drop is not obvious, observation can be; if he platelet drop is very obvious, need to stop using tacrolimus capsule, at the same time, if necessary, the output of platelets for treatment. 3. Acidosis: eating tacrolimus capsules can cause excess acid in the blood, that is, metabolic acidosis, more serious need to stop the drug, infusion expansion, if necessary, can enter sodium bicarbonate and other alkaline solution. Eat tacrolimus capsules there are other side effects, such as urinary difficulties, hyperglycemia, chest tightness, etc., it is recommended that once it occurs, timely medical attention, under the guidance of the doctor’s scientific treatment, the above medication as prescribed by the doctor.