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Common Variable Immunodeficiency (CVID)

What is common variable immunodeficiency (CVID)?

CVID is an immunodeficiency disorder characterized by a low level of antibodies, making it difficult for the child's body to fight diseases. The child then becomes sick with recurrent infections. The disease may become evident during infancy, childhood, puberty, or even later into adulthood. The symptoms of the disease are very different for each child affected, which is why it is called a "variable" group of disorders.

What causes CVID?

The cause of CVID is unknown. In some cases, more than one individual in a family may be affected, while in other cases this is not the case. There is a decrease in the number of immunoglobulins (antibodies) in the affected person. Immunoglobulins are produced by the body and are necessary in fighting infections.

What are the symptoms of CVID?

The following are the most common symptoms of CVID. However, each child may experience symptoms differently. Symptoms may include:

How is CVID diagnosed?

A diagnosis of CVID is usually made based on a complete medical history and physical examination. In addition, multiple blood tests may be ordered to help confirm the diagnosis.

Treatment for CVID:

Specific treatment for CVID will be determined by your child's physician based on:

Treatment may include:

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