How is Primary Immunodeficiency diagnosed?
Correct diagnosis of a PI disease begins with awareness of the 10 Warning Signs and the first step in diagnosing a Primary Immunodeficiency disease is a good evaluation. An immune system specialist (immunologist) can help with diagnosis and treatment. If you need help finding an immunologist, the Find an Expert section of this website can help you locate a physician or medical center in your area. Evaluation of the immune system may include: • Detailed medical history • Physical exam • Blood tests • Vaccines to test the immune response At the time of the evaluation, your doctor will ask questions about your health. Frequent or unusual infections, prolonged diarrhea, and poor childhood growth are some symptoms of a possible Primary Immunodeficiency. Because some Primary Immunodeficiencies run in families, you may also be asked questions about your family history. If a Primary Immunodeficiency is suspected, a series of blood tests and vaccines may be required. Blood tests will show if an