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An antibody, the Y-shaped protein the immune system makes. IgG4 is one type of it, and this disease is named after it. It is our emblem.igg4.org

About the disease Red flags Find a specialist Medication & side effects

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This is information, not medical advice. It comes from published sources, linked for you to read and take to your specialist. It cannot diagnose you or replace the care of a doctor who knows your case.

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