Synonyms: Adult chronic idiopathic neutropenia
A rare acquired immunodeficiency disease characterized by adult-onset absolute neutrophil counts less than 1.5 x 10^9/L on at least 3 occasions in a 3 month period that cannot be attributable to drugs or a specific genetic infectious inflammatory autoimmune or malignant cause. Recurrent aphtous stomatitis and a history of mild bacterial infections are typically associated. A benign outcome with a low rate of severe infections and no secondary malignancies is observed.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Adult idiopathic neutropenia?
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Advocacy Organizations
Immune Deficiency Foundation
To improve the diagnosis, treatment and quality of life of people affected by primary immunodeficiency.
Immunocompromised Association
Immunocompromised Association promotes awareness, education, and support for immunocompromised individuals to reduce their inherent health risks in the community.
The AIP BIPOC Network
Our mission is to improve the quality of life of the BIPOC Autoimmune Community through Awareness, Advocacy, Action, Assessment and Access.
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Clinical Trials
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