Hyperimmunization is the presence of a larger than normal number of antibodies to a specific antigen. This creates a state of immunity greater than normal. Immune system overactivity can cause many different diseases.
Review Date: 8/14/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.