How is intravenous human immune globulin administered and dosed?

IVIGUsually administered by intravenous infusion, with the infusion rate and dose adjusted to the specific disease and patient weight. The general dose is 0.4 to 2 grams per kilogram of body weight, and the infusion is completed over several days. The course and frequency of treatment depend on the condition. The initial infusion rate is slower to avoid infusion reactions, and can be gradually accelerated thereafter. During the treatment process, vital signs and infusion reactions need to be monitored. If symptoms such as fever, headache, hypotension, etc. occur, the speed should be adjusted or the medication should be stopped in time. Some patients require long-term regular infusion to maintain immune function, during which immune indicators and clinical symptoms need to be reviewed regularly.