IMMUNOGLOBULIN A (IgA)

IMMUNOGLOBULIN A;  IgA

IgA - Increased IgA is associated with monoclonal IgA myeloma, respiratory and gastrointestinal infections, and malabsorption; decreased IgA is found in selective IgA deficiency and in ataxia telangiectasia.

An IgA test measures the blood level of immunoglobulin A, one of the most common antibodies in the body. Antibodies are proteins made by the immune system to fight bacteria, viruses, and toxins.

IgA is found in high concentrations in the body's mucous membranes, particularly the respiratory passages and gastrointestinal tract, as well as in saliva and tears.

IgA deficiency can be a genetic health problem.IgA deficiency will not show any symptoms of a health problem,it is usually found from blood test.