The first priority is to determine whether an infection is present. [msdmanuals.com]

The treatment of neutropenia itself depends on its cause and severity. Drugs that may cause neutropenia are stopped whenever possible, and exposures to suspected toxins are avoided. Sometimes the bone marrow recovers by itself without treatment. [msdmanuals.com]

If acute neutropenia is suspected to be drug- or toxin-induced, all potentially etiologic agents are stopped. [msdmanuals.com]

Severe congenital neutropenia is a group of disorders that prevent neutrophils from becoming mature, and people develop serious infections starting in infancy. [msdmanuals.com]