Do not share this medication with others. Lab and/or medical tests (such as IgG levels, complete blood count) should be done while you are using this medication. Keep all medical and lab appointments.

This is where the IgG food sensitivity test can help. It checks how your immune system reacts to different foods by looking for a specific antibody called Immunoglobulin G (IgG) in your blood.

Total IgG levels were determined in serum samples pretreatment and again 2 weeks after treatment. Some patients also had IgG levels measured at 4 weeks (91 patients), 3 months (86 patients), and 6 ...