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What is the link between sputum eosinophilia and eosinophilic asthma?

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When you have too many eosinophils in your blood or tissues, it�s a condition called eosinophilia. Sputum is the gunk you cough up from your lungs. Sputum eosinophilia is one sign that you have eosinophilic asthma. Specifically, eosinophils make up more than 3% of the cells found in your sputum.

SOURCES:

ERJ Open Research: “Management of the patient with eosinophilic asthma: a new era begins.”

Journal of Allergies and Asthma: “Diagnosis and management of eosinophilic asthma: a U.S. perspective.”

Apfed: American Partnership for Eosinophilic Disorders: “Eosinophilic Asthma.”

Mayo Clinic: “Eosinophilia.”

Cincinnati Children’s: “What is an eosinophil?”

Cleveland Clinic: “Eosinophilia.”

The Journal of Allergy and Clinical Immunology: In Practice: “Asthma Control and Sputum Eosinophils: A Longitudinal Study in Daily Practice.”

CHEST Journal: “Point: Is Measuring Sputum Eosinophils Useful in the Management of Severe Asthma? Yes.”

Reviewed by Hansa D. Bhargava on February 03, 2020

SOURCES:

ERJ Open Research: “Management of the patient with eosinophilic asthma: a new era begins.”

Journal of Allergies and Asthma: “Diagnosis and management of eosinophilic asthma: a U.S. perspective.”

Apfed: American Partnership for Eosinophilic Disorders: “Eosinophilic Asthma.”

Mayo Clinic: “Eosinophilia.”

Cincinnati Children’s: “What is an eosinophil?”

Cleveland Clinic: “Eosinophilia.”

The Journal of Allergy and Clinical Immunology: In Practice: “Asthma Control and Sputum Eosinophils: A Longitudinal Study in Daily Practice.”

CHEST Journal: “Point: Is Measuring Sputum Eosinophils Useful in the Management of Severe Asthma? Yes.”

Reviewed by Hansa D. Bhargava on February 03, 2020

NEXT QUESTION:

How is a sputum induction test used to diagnose eosinophilic asthma?

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