Table 1.

Causes of isolated IgA deficiency other than SIgAD.

Drugs	Antimalarial Agents
	Carbamazepine
	Valproate
	Glucocorticoids
	Fenclofenac
	Gold salts
	Penicillamine
	Sulfasalazine
Infections	Congenital Rubella
	Congenital Cytomegalovirus Infection
	Congenital Toxoplasma Gondii Infection
	Epstein-Barr Virus
Monogenic disease	Ataxia-telangiectasia
	Wiskott-Aldrich Syndrome
	X-linked lymphoproliferative disease
	Transcobalamin II deficiency
Chromosomal abnormalities	Monosomy 22
	Deletion syndrome of chromosome 18q
	Trisomy 22
	Trisomy 8