<\/span><\/h2>\nA patient with a specific antibody deficiency cannot produce IgG molecules<\/span> to the polysaccharides in encapsulated<\/span> bacteria<\/span> (as steotococci pneumonia<\/em>, Staphylococcus aureus<\/em>and Haemophilus influenzae<\/em>) This makes the patient vulnerable to recurrent<\/span> bacterial<\/span> lung infections (pneumonia), breast<\/span> infections, ear infections (otitis media<\/span>), and others.<\/p>\nSpecific antibody deficiency is also called selective antibody deficiency, partial antibody deficiency, and impairment polysaccharide<\/span> sensitivity.<\/p>\n<\/span>Who gets specific antibody deficiency?<\/span><\/h2>\nSpecific antibody deficiency is usually diagnosed in preschool-age children and occurs in both girls and boys of all races.<\/p>\n
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<\/span>What causes specific antibody deficiency?<\/span><\/h2>\nThe exact cause of specific antibody deficiency is unknown, but it is likely due to a genetic<\/span> mutation<\/span>. This may be due to a communication failure between B cells<\/span> and other cells in the immune system.<\/p>\n<\/span>What are the signs and symptoms of specific antibody deficiency?<\/span><\/h2>\nSome patients with specific antibody deficiency are asymptomatic<\/span> because other components of your immune system remain functional. Other patients may present:<\/p>\n