![]() They also have a role in the inflammatory response, especially if an allergy is involved. Eosinophils destroy invading germs like viruses, bacteria, or parasites such as hookworms. Two important functions are within your immune system. Ongoing research continues to uncover an expanding list of roles performed by eosinophils. If all white cell counts are low, this can signal a problem with the bone marrow. Unless alcohol abuse or Cushing’s disease is suspected, low levels of eosinophils are not usually of concern unless other white cell counts are also abnormally low. Under normal conditions, eosinophil counts are lowest in the morning and highest in the evening. Low eosinophil counts may also be due to the time of day. Cortisol is a hormone naturally produced by the body. What are some of the causes of a low eosinophil count?Īn abnormally low eosinophil count can be the result of:Įxcessive production of cortisol, like in Cushing’s disease. What are some of the causes of a high eosinophil count?Įosinophilia is classified as either mild, moderate, or severe depending on your level compared to the range defined by the laboratory. White blood cell counts can vary in certain diseases. This test will show if you have an abnormally high or low count of white blood cells. Why is this analysis important?Ī white blood count differential test (including an eosinophil count) is often done alongside a complete blood count (CBC) and determines the percentage of each kind of white blood cell present in your blood. Abnormal eosinophil levels are often discovered as part of a routine complete blood count (CBC) test. Elevated levels often mean your body is sending more and more white blood cells to fight off infections.Īn eosinophil count is a blood test that measures the number of eosinophils in your body. An important although rare cause of increased eosinophils in the peripheral blood is the acute hypereosinophilic syndrome (HES). Elevated levels of white blood cells in your blood can be an indicator that you have an illness or infection. The number and type of each white blood cell in your body can give doctors a better understanding of your health. The bone marrow continually replenishes the body’s white blood cell supply. Eosinophils are stored in tissues throughout the body, surviving for up to several weeks. ![]() An eosinophil is a type of white blood cell. Your bone marrow produces all five of the different kinds of white blood cells in the body.Įach white blood cell lives anywhere from several hours to several days in the bloodstream. They’re vital to protecting you from invading bacteria, viruses, and parasites. White blood cells are an important part of your body’s immune system. Eosinophil count What is an eosinophil count?
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