Skip Navigation
Skip Website Tools

Volunteer for PIDD button
You can help researchers improve public health by volunteering for NIAID clinical studies.

Primary Immune Deficiency Diseases

Skip Content Marketing
  • Share this:
  • submit to facebook
  • Tweet it
  • submit to reddit
  • submit to StumbleUpon
  • submit to Google +

Hyper-Immunoglobulin M (Hyper-IgM) Syndrome

micrograph of lung tissue with cysts
Section of lung tissue (green) with Pneumocystis jiroveci cysts (dark spheres) stained with methenamine silver stain.
Credit: CDC Public Health Image Library, ID#960

Hyper-IgM syndromes are conditions in which the immune system fails to produce normal immunoglobulin A (IgA), IgG, and IgE antibodies but can produce normal or elevated IgM.

Click on the topics below to view more information.


Last Updated July 17, 2012

Last Reviewed October 14, 2010