Common Variable Immunodeficiency: CVI is also called hypogammaglobulinemia, adult-onset agammaglobulinemia, late-onset hypogammaglobulinemia, and acquired ... more about Common Variable Immunodeficiency.
Common Variable Immunodeficiency: An immunodeficiency disorder involving low blood gamma globulin levels which results in an increased susceptibility to infections. The condition may be inherited or can be caused by certain drugs (levamisole, hydantoin and carbamazepine). More detailed information about the symptoms, causes, and treatments of Common Variable Immunodeficiency is available below.
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CVI is also called hypogammaglobulinemia, adult-onset agammaglobulinemia, late-onset hypogammaglobulinemia, and acquired agammaglobulinemia. CVI is relatively common. Infants sometimes have symptoms of CVI, though in most cases symptoms do not show up until the second or third decade of life. (Source: excerpt from Primary Immune Deficiency, NIAID Fact Sheet: NIAID)
Heterogeneous group of immunodeficiency syndromes characterized by hypogammaglobulinemia of most isotypes, variable B-cell defects, and the presence of recurrent bacterial infections. - (Source - Diseases Database)
Common Variable Immunodeficiency is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Common Variable Immunodeficiency, or a subtype of Common Variable Immunodeficiency,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
Ophanet, a consortium of European partners,
currently defines a condition rare when it affects 1 person per 2,000.
They list Common Variable Immunodeficiency as a "rare disease".
Source - Orphanet
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