What if white blood cell count is low

Is this something to be concerned about? Am I more susceptible to catch colds or viruses? Answer: A low white blood cell count can sometimes be a sign of an underlying medical problem, but not always. First, it's important to determine what your health care provider means by "low. Second, you need to consider factors such as your age, gender and ethnic group. Some groups of people just have naturally lower white blood cell levels than others.

If your white blood cell count is truly lower than it should be, then further investigation is warranted to uncover the root cause. As part of your immune system, white blood cells fight disease and are important for the body's defense against infections. A chronically low white blood cell count leukopenia can make you vulnerable to bacterial infections and could signal a serious health problem.

Before you start investigating the cause of a low white blood cell count, though, it's important to discuss with your doctor what your test results mean. Low Red Blood Cell Count. Low White Blood Cell Count. A low white blood cell count is called neutropenia. If you have a low white blood cell count, you may:.

Low Platelet Count. A low platelet count is called thrombocytopenia. If you have a low platelet count, you may:. Skip to main content. Education FAQ What are the symptoms of low blood counts? What are the symptoms of low blood counts? If you have a low red blood cell count, you may: Feel a little tired or very tired. Feel less alert or have trouble concentrating. Avoid traveling and crowded public places. When to Call the Doctor. If you have any of the following symptoms, call your health care provider: Fevers, chills, or sweats.

These may be signs of infection. Diarrhea that does not go away or is bloody. Severe nausea and vomiting. Being unable to eat or drink. Extreme weakness. Redness, swelling, or drainage from any place where you have an IV line inserted into your body. A new skin rash or blisters. Pain in your stomach area. A very bad headache or one that does not go away. A cough that is getting worse. Trouble breathing when you are at rest or when you are doing simple tasks.

Burning when you urinate. Alternative Names. Neutropenia and cancer; Absolute neutrophil count and cancer; ANC and cancer. Related MedlinePlus Health Topics.