Getting sick more often than most people is the most common sign of IgA deficiency. IgA deficiency is a genetic condition that means your body doesn’t produce as many immunoglobulin A (IgA) antibodies as it should. Healthcare providers sometimes call it selective IgA deficiency, SIgAD or low IgA.
Immunoglobulin A (IgA) is a blood protein that's part of your immune system. Your body makes IgA to help fight off sickness. Having an IgA deficiency means that you have low levels or no immunoglobulin A in your bloodstream. Selective IgA deficiency happens when immune system cells don't produce any or produce very few IgA antibodies.
iga deficiency, The exact reason cells don't produce these antibodies isn't known. Immunoglobulin A (IgA) deficiency is the most common primary immunodeficiency in humans. It can increase the risk of allergies, asthma, and autoimmune disease. Selective immunoglobulin A (IgA) deficiency (sIgAD) is believed to be the most common inborn error of immunity (IEI; also known as primary immunodeficiencies) in the human population. Selective immunoglobulin A (IgA) deficiency (SIgAD[1]) is a kind of immunodeficiency, a type of hypogammaglobulinemia.
iga deficiency, People with this deficiency lack immunoglobulin A (IgA), a type of antibody that protects against infections of the mucous membranes lining the mouth, airways, and digestive tract. Immunoglobulin A (IgA) deficiency is the most common primary immunodeficiency characterized by a decreased amount of serum IgA and a concomitant lack of secretory IgA. An overview of Selective IgA deficiency symptoms, diagnosis, treatment and management written by the leading experts in allergy, asthma and immunology. People with IgA deficiency may have allergies (e.g. allergic asthma) or an increased tendency to develop autoimmune conditions, where the immune system attacks itself, and this may result in conditions such as coeliac disease, which afects about 10 per cent of IgA-deficient patients. IgA deficiency is a common immune condition that affects your body's ability to fight infections.
Learn about symptoms, causes, and specialized testing options.
