There are several kinds of adverse reactions to infusion: 1. itchy skin or rash on the body, which may range from a small patch but may also spread all over the body. 2. adverse reactions in the gastrointestinal tract, with obvious nausea and vomiting. 3. phlebitis, because some patients have long infusion cycles, repeated needle insertion into the vein, poor sterilization of drug stimulation, allergies, etc., can cause the patient’s puncture site to The symptoms of redness, pain, swelling, etc., and serious patients will also have fear of cold, high fever, etc. 4, infusion of serious sexual reactions, such as heart failure, air embolism, pulmonary edema and other serious diseases. To avoid the occurrence of the above, infusion must choose a regular hospital, not to go to small clinics or places without formal qualifications, not to adjust the speed of infusion in private, in the infusion of any of the above discomfort, to promptly call the health care provider, infusion discomfort, the doctor timely adjustment, you can avoid these situations.