Agammaglobulinemia, hypogammaglobulinemia, and combination therapy with antibiotics for severe infections after reconstitution: 2,500-5,000 mg (human immunoglobulin) as single dose for adult, 100-150 mg/kg as single dose for children by intravenous instillation or injection. In case of intravenous infusion, administer very slowly.
Idiopathic thrombocytopenic purpura: the dosage is 200-400 mg/kg daily. If the improvement in symptom is not shown after consecutive 5 days, administration should be discontinued.
Kawasaki disease (for the prevention of complication in coronary artery): the dosage is 400 mg/kg once a day for consecutive 5 days.
Guillain-Barre syndrome (subacute demyelinating polyneuritis): the dosage is 400 mg/kg once a day for consecutive 5 days.