The exact number of injections of gammaglobulin will depend on the condition of the disease. Gammaglobulin, mainly used for the prevention of measles, chickenpox, shingles, etc., can also be used for primary immunoglobulin deficiency and autoimmune system diseases, can be used for the treatment of asthma, eczema, allergic rhinitis, but also can be used for children’s Kawasaki disease, is the main treatment drug. Gammaglobulin has intramuscular injection and intravenous injection, the specific use of how much in the clinical need to be determined according to the condition, patients with severe infections may need to be used several times, for primary immunoglobulin deficiency, primary thrombocytopenic purpura patients need to be evaluated according to the condition. Most patients do not have adverse reactions after the use of gammaglobulin, a few patients may experience headache, panic, nausea, vomiting, etc. during the infusion, which will gradually recover after slowing down or stopping the use of the drug. It is contraindicated for those who are allergic to the product or have other severe allergies. Be careful to distinguish between intravenous injection and intramuscular injection, and the injection should be completed at one time after opening the bottle. For patients who need to use gammaglobulin in clinical practice, it is recommended to consult a licensed pharmacist in a regular hospital or consult the relevant department.