Leukopenia/Neutropenia

Check and manage Leukopenia/Neutropenia

A white blood cell count is checked with a simple blood draw. Your result shows how many white blood cells are in your blood.

A low white blood cell count can point to leukopenia. A low neutrophil count can mean higher infection risk.

White blood cell levels can change after infections, medicines, autoimmune flares, or bone marrow problems. Repeat testing helps your clinician see patterns, not one lonely number.

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Check your white blood cell level and get clear next steps for managing low results.

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What is Leukopenia/Neutropenia?

If your WBC count is low, your body may have fewer infection fighters. WBC means white blood cells. Leukopenia means low white blood cells overall.

Neutropenia means low neutrophils, which are white blood cells that help fight bacteria and fungi.

Complete Blood Count / CBC (includes Differential and Platelets)

Reveal underlying infections or inflammations effortlessly
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CBC & CMP

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Symptoms

Frequent infections
Fever or chills
Mouth sores
Sore throat that keeps coming back
Slow healing cuts
Feeling run down during an infection

Causes and risk factors

Recent viral infections
Some medicines, including chemotherapy or certain immune system drugs
Autoimmune conditions, where the immune system attacks healthy cells
Bone marrow disorders
Vitamin B12, folate, or copper deficiency
Radiation treatment
Severe infection

How it's diagnosed

A white blood cell count is checked with a simple blood draw. Your result shows how many white blood cells are in your blood.

A low white blood cell count can point to leukopenia. A low neutrophil count can mean higher infection risk.

Treatment options

Care depends on the cause and how low the count is. Your clinician may repeat blood work, review medicines, treat infections, or refer you to a blood specialist. Severe neutropenia may need fast evaluation, especially with fever.

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Check your inbox and confirm your email. We will send next steps for Leukopenia/Neutropenia testing and monitoring.

Get testing next steps for Leukopenia/Neutropenia

Check your white blood cell level and get clear next steps for managing low results.

First Name *

Last Name *

Email *

Phone Number *

ZIP Code *

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Frequently asked questions

Leukopenia means your white blood cell count is lower than expected. White blood cells help your body fight infection. A low result can happen for many reasons, so follow up matters.

Neutropenia means your neutrophil count is low. Neutrophils are white blood cells that fight bacteria and fungi. Lower neutrophils can raise infection risk.

Many labs flag WBC below 4,000 cells per microliter as low. Your lab range may differ slightly. Your clinician can compare the result with your history and symptoms.

An absolute neutrophil count is often called ANC. Severe neutropenia often means ANC below 500 cells per microliter. That level can raise infection risk.

A clinician usually orders a blood test called a complete blood count. It measures white blood cells and other blood cells. A differential can show neutrophils and other white cell types.

Retesting may help if the result is unexpected or your symptoms changed. Levels can shift after illness or medicine changes. Your clinician can suggest the right timing.

Common causes include infections, medicines, autoimmune conditions, and bone marrow problems. Nutrient deficiencies can also play a role. The pattern on repeat tests can help narrow the cause.

Fever with severe neutropenia can be urgent. Call your clinician promptly if you have fever, chills, or signs of infection. Do not stop prescribed medicine unless your clinician tells you.