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How to Lower Eosinophils

By Kent Page McGroarty ; Updated July 27, 2017

Eosinophils are a type of white blood cell produced in bone marrow and generally found in the bloodstream and gut lining, according to Net Although they contain proteins that help the body defend itself against worms and other parasitic infections, an overabundance of eosinophils in correlation with certain diseases can be harmful. "Eosinophilia" describes conditions where abnormal amounts of eosinophils appear in the bloodstream or body tissues (generally due to allergic reactions or parasites in the body). Correct diagnosis of the underlying cause of eosinophils is the first step to lowering the amount of this white blood cell in the body.

  1. Make a list of your symptoms that could possibly relate to eosinophilia to discuss with your doctor or health expert. Symptoms of eosinophilia usually indicate an underlying condition, according to Net, such as wheezing or breathlessness from eosinophilia due to asthma. Parasitic infection symptoms from eosinophilia include fever, cough, rashes, abdominal pain and diarrhea. Rarer symptoms of eosinophilia can include night sweats, lymph node enlargement, weight loss, skin rashes and tingling or numbness from nerve system damage.

  2. Talk to your doctor about your symptoms and arrange for a blood, skin or stool test for official diagnosis. Be sure to mention any new medication you are taking which can result in certain side effects, or any recent overseas traveling that could have caused you to pick up a parasite. Simple skin or blood tests will indicate certain allergies, such as dust mite or pollen allergy, while parasitic infection is confirmed through analysis of blood and stool samples.

  3. Take the prescribed treatment for your symptoms as directed by your doctor. Treatment of eosinophilia revolves around treating the underlying cause of the condition, such as medication or herbal supplement for an allergy or parasitic infection. Generally, when the doctor identifies the cause of eosinophilia, treatment will severely reduce symptoms. Corticosteroids, both local (topical, inhaled) and systematic (intravenous, oral), for example, often treat allergies and thereby reduce the number of eosinophils, according to Net Doctor.

  4. Tip

    Occasionally your doctor will be unable to diagnose your symptoms and will refer you to a hospital specialist, usually a blood disorder specialist.


    Talk to your doctor/health care practitioner if your symptoms do not go away or get worse.

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