What is immunoglobulin A (IgA)?
Immunoglobulin (IgA), also known as sigA, is an Antibody having to do with the immune function of the Mucous Membranes, mainly in the respiratory and digestive tracts.
A deficiency may indicate allergies, asthma, or autoimmune issues. People with deficiencies may end up with frequent infections of the sinus, lung, and digestive system.
There is no cure for an IgA deficiency. Only treatment of the secondary problems it might cause.
What is immunoglobulin G (IgG)?
Immunoglobulin (IgG) is the part of blood plasma. IgG is the antibody that is found most abundantly in the body. It contains long term protective antibodies to prevent infections. These antibodies are produced immediately after exposure to a disease.
Think of IgG as a long term indicator. Of something you were exposed to in the past.
IgG is often tested to see if a patient has immunity to a specific disease.
IgG therapy or IVIG, is a blood product derived from blood donors IgG. It is an accumulation of IgG antibodies from multiple donors.
It is collected and given via IV, much like a blood transfusion. It is administered to patients that may be lacking needed protections to particular diseases.
What is immunoglobulin M (IgM)?
Immunoglobulin M (IgM) is mainly found in the lymph fluid and blood. IgM is the first protective antibody the body produces in an acute infection. IgM is a temporary antibody that disappears in two or three weeks, The IgM are then replaced by IgG to provide lifelong immunities.
Think of IgM as a short term indicator. Of something that is happening right now in the present.
IgM is often tested to see if the patient is dealing with a new exposure to a specific disease.
IgG and IgM are often tested together so your medical team can evaluate the functioning of your immune system.
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