Allergy could predispose your son to recurrent ear, nose and sinus infection, but that should not
be assumed. His doctors might want
to check
to be sure he does not have some type of immunodeficiency. These immunodeficiency states can be transient, as with transient hypogammaglobulinemia of Infancy, congenital or acquired. Selective Immunoglobulin A (IgA) deficiency is uncommon but not rare and can predispose to ear and sinus infections.