Primary Immunodeficiency (PI) causes children and adults to have infections that come back frequently or are unusually hard to cure. 1:500 persons are affected by one of the known Primary Immunodeficiencies. If you or someone you know is affected by two or more of the following Warning Signs, speak to a physician about the possible presence of an underlying Primary Immunodeficiency.
Four or more new ear infections within one year.
Two or more serious sinus infections within one year.
Two or more months on antibiotics with little effect.
Two or more pneumonias within one year.
Failure of an infant to gain weight or grow normally.
Recurrent, deep skin or organ abscesses.
Persistent thrush in mouth or fungal infection on skin.
Need for intravenous antibiotics to clear infections.
Two or more deep-seated infections including septicemia.
A family history of PI.
Information provided courtesy of Jeffrey Modell Foundation.