A simple blood test can help determine if your severe asthma is actually e-asthma—eosinophilic asthma

e-asthma is a kind of severe asthma driven by cells called eosinophils
Learn moreUp to half of people with severe asthma could have e-asthma
Learn moreTalk to your doctor about how to manage e-asthma
Learn moreWhat is e-asthma?
e-asthma, or eosinophilic asthma, is a kind of severe asthma
Eosinophils are white blood cells that can make inflammation in the lungs worse
Eosinophils (e-o-sin-o-phils) are a normal part of the body’s immune system, but for some people with severe asthma, they can cause inflammation in the airways.
See how eosinophils drive airway inflammation in people with e-asthma

Who has e-asthma?
People with severe asthma


A common blood test can measure your eosinophil count
This test is often part of your routine blood work, and you may have already completed one. Ask your doctor about a blood test for your asthma, especially if you:
- Often use your rescue inhaler to control asthma symptoms
- Wake up at night due to asthma symptoms
- Have had to take oral steroids like prednisone for your asthma
- Have had asthma attacks that required emergency care
These can be signs of severe asthma that is uncontrolled and could be e-asthma.
If you think you may have e-asthma, talk to an asthma specialist, like an allergist or pulmonologist
These doctors have special training on how to manage asthma. A routine blood test can help them identify people with elevated eosinophils.

Allergist
- An allergist specializes in identifying allergies and their triggers
- Once identified, allergists can determine if a person’s allergies cause

Pulmonologist
- Sometimes called a “lung doctor,” people with breathing problems, like those caused by asthma, manage their condition
Patients may be referred to an allergist or pulmonologist by their

Create a Lungprint to understand your asthma
Take a questionnaire that will help you and your doctor gain a better understanding of your individual experience with asthma.
How is e-asthma managed?
There are different ways to manage e-asthma
Medication options include:
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