Causes of neutropenia
| XLA, X linked agammaglobulinaemia. |
| Transient |
| Chronic |
| (1) Congenital neutropenias |
| Failure of production (bone marrow) |
| Severe chronic neutropenia |
| Cyclic neutropenia |
| Reticular dysgenesis |
| (2) Associated with syndromes |
| Primary immunodefeciencies: XLA, hyper-IgM |
| Glycogen storage disease (1b) |
| Shwachman diamond syndrome |
| Cardioskeletal myopathy |
| Onychotrichodysplasia |
| Antibody mediated neutropenias |
| Autoimmune neutropenia of infancy |
| Alloimmune neonatal neutropenia |
| Neonatal neutropenia owing to autoimmune disease in mother |
| Autoimmune neutropenia seen in association with primary specific immunodeficiencies |
| Idiopathic |
| Chronic benign neutropenia |