Symptoms Of Selective IgA Deficiency And Related Conditions

Selective IgA deficiency is a condition of an individual's immune system where they do not have enough of an antibody or protein with the function of fighting infections called immunoglobulin A (IgA). Selective IgA deficiency is characterized by indiscernible levels of immunoglobulin A in a patient's secretions and blood. Individuals affected by this deficiency do not typically have a deficiency of any other immunoglobulin proteins. Different immunoglobulin proteins are present in different defense mechanisms in a patient's body.