| Drug Induced | 
   
    |  | Antimalarial agents | 
   
    |  | Captopril | 
   
    |  | Carbamazepine | 
   
    |  | Glucocorticoids | 
   
    |  | Fenclofenac | 
   
    |  | Gold salts | 
   
    |  | Penicillamine | 
   
    |  | Phenytoin | 
   
    |  | Sulphasalazine | 
   
    |  |  | 
   
    | Genetic Disorders | 
   
    |  | Ataxia - Telangiectasia | 
   
    |  | Autosomal forms of SCID | 
   
    |  | Hyper IgM Immunodeficiency | 
   
    |  | transcobalamin II deficiency and hypogammaglobulineinia | 
   
    |  | X-linked agammaglobulinemia | 
   
    |  | X-linked lyinphoproliferative disorder (EBY associated) | 
   
    |  | X-linked SCID | 
   
    |  | Some metabolic disorders | 
   
    |  |  | 
   
    | Chromosomal Anomalies | 
   
    |  | Chromosome 18q- Syndrome | 
   
    |  | Monosomy 22 | 
   
    |  | Trisomy 8 | 
   
    |  | Trisomy 21 | 
   
    |  |  | 
   
    | Infectious Diseases | 
   
    |  | HIV | 
   
    |  | Congenital Rubella | 
   
    |  | Congenital infection with CMV | 
   
    |  | Congenital infection with Toxoplasma gondii | 
   
    |  | Epstein-Barr Virus | 
   
    |  |  | 
   
    | Malignancy | 
   
    |  | Chronic Lymphocytic Leukemia | 
   
    |  | Immunodeficiency with Thymoma | 
   
    |  | Non Hodgkin's lymphoma | 
   
    |  | B cell malignancy | 
   
    |  |  | 
   
    | Systemic Disorders | 
   
    |  | Immunodeficiency caused by hypercatabolism of immunoglobulin | 
   
    |  | Immunodeficiency caused by excessive loss of immunoglobulins (nephrosis, 
      severe burns, lymphangiectasia, severe diarrhea) |