Cyclic Neutropenia is a rare blood disorder characterized by recurrent episodes of low levels of neutrophils, a type of white blood cell essential for fighting infections. These cycles typically occur every 21 days and can last for a few days, leading to increased susceptibility to infections during these periods. The condition is often inherited in an autosomal dominant pattern, meaning only one copy of the mutated gene from a parent can cause the disorder. Diagnosis usually involves regular blood tests to monitor neutrophil levels, and treatment may include antibiotics to manage infections and medications to stimulate white blood cell production.