The information presented is intended to provide guidance only and does not constitute medical advice. Any decision involving patient care must be based on the judgment of the attending physician according to the needs and condition of each individual patient. Neither the guidelines nor the IVIg or SCIg dose calculator is intended to replace sound clinical judgment concerning a patient's unique situation.
The BC Provincial Blood Coordinating Office gratefully acknowledges Transfusion Ontario for use of their template for the Ideal Body Weight Calculator with IVIg Dosing. The calculator has been modified slightly to incorporate the Ohio State University Medical Center formula for calculation of the Dosing Weight, as detailed below.
The dosing information contained in the Intravenous Immune Globulin (IVIg) Utilization Management Program Recommendations should be followed.
Ideal Body Weighti (IBW), Devine Formula is:
Adjusted Body Weighti should only be used to calculate the dose of drugs for which there are recommendations specifying that the actual body weight should be adjusted for use in the dose calculations.
Adjusted Body Weight = IBW + [0.5 x (Actual - IBW)]
This application is optimized for recent versions of Chrome ((version 87.0.4280.141)) and Internet Explorer (version 1809)
[i] Pai MP, Paloucek FP. The origin of the "ideal" body weight equations. Ann Pharmacother. 2000 Sep;34(9):1066-9
[ii] Siegel J. Immunoglobulins and obesity. Pharmacy Practice News. 2010;37(1):8-9.