High Eosinophils Symptoms: Causes, Types, Treatments and Home Remedies

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By Medicover Hospitals / 24 March 2022
Home / symptoms / High Eosinophils
  • A specific type of white blood cell, having a high number of eosinophils, is called eosinophilia. It can be caused by nasal allergy or more serious conditions, such as cancer. Its presence can be revealed through blood testing.
  • What Are Eosinophilia?

  • Eosinophilia is a condition in which the quantity of eosinophils in the blood is excessively high. The white blood cells are an essential component of the cellular immune system. Eosinophils are white blood cells that are a part of the cellular immune system. They help with normal physiologic processes and host immunity, as well as allergic reactions and parasite infection resistance.
    When there are more than 500 eosinophils per microliter, eosinophilia is considered to occur, though the exact cutoff varies by laboratory. Eosinophilia can be mild, moderate, or can even be severe. Usually, less than 5% of the circulating white blood cells are eosinophils.

  • What Does a High Eosinophil Count Mean?

  • An eosinophil absolute count can help to diagnose the conditions. People can have a high count during the following medical conditions:
    • Acute hypereosinophilic syndrome
    • An allergic disorder like asthma or high fever
    • Autoimmune conditions
    • An adverse reaction to certain medications
    • Early stages of Cushing’s disease
    • Eczema (itchy, inflamed skin)
    • Leukemia and other blood disorders

    What Does a Low Eosinophil Count Mean?

  • A lower than normal eosinophil count could be because:
    • Consumption of too much alcohol
    • Body is making too much of certain steroids, such as cortisol

    How is Eosinophilia Diagnosed?

  • During eosinophilia blood test, elevated peripheral blood eosinophils can be detected. The doctor may prescribe additional tests depending on the causes. Other tests to consider are:
  • How is Eosinophilia Treated?

  • The treatment depends on the underlying cause of the problem. Treatments might include stopping certain medications (in the case of any medical reactions), avoiding certain foods (in the case of esophagitis), or taking an anti-infective or anti-inflammatory medication. The Food and Drug Administration (FDA) has approved therapies that target eosinophils in asthma, and they are now being used in clinics, while treatments for other eosinophil-mediated illnesses are still being investigated.

  • The result is affected by treating the cause of high eosinophil levels. In critical cases, the outcomes also depend on the extent of target organs and how the person responds to treatment.



  • Frequently Asked Questions:

    If eosinophil count is high, it indicates that the body is producing eosinophils to fight against the virus, bacteria and parasites.

  • Eosinophilia can be developed due to certain cancers, including:
    • Lymphoma
    • Leukemia
    • Colorectal cancer
    • Lung cancer

    COVID-19 patients with critical disease reported lower eosinophil levels than those with moderate or severe disease.

    The most common cause of high eosinophil counts is a parasite infection. These infections include schistosomiasis, trichinosis, strongyloidiasis, and ascariasis.

    Dairy products, eggs, soy, and wheat are some of the recognised foods that increase eosinophil count.

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