Jump to Non-Allergic Asthma - Non-Allergic (intrinsic) asthma is triggered by factors not related to allergies. Like allergic asthma, non-allergic asthma is characterized by airway obstruction and inflammation that is at least partially reversible with medication, however symptoms in this type of asthma are NOT associated with an allergic reaction.‎What Is Asthma? · ‎What Causes Asthma? · ‎Allergic Asthma · ‎Diagnosis. Extrinsic vs. Intrinsic Asthma: The Main Differences, Asthma types, allergic and non. Most people are familiar with what asthma is and what it. The definition of nonallergic asthma includes that subset of subjects with asthma and with whom allergic sensitization cannot be demonstrated.


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Studies have shown a clear link between secondhand smoke and asthma, especially in young people. Passive smoking worsens asthma in children and teens and may cause up to 26, new cases of asthma non allergic asthma year.

Asthma Mysteries: What do we know about how non-allergic triggers impact asthma? -

Respiratory infections such as colds, flu, sore throats, and sinus infections. These are the number one asthma trigger in children.

Exercise and other activities that make you breathe harder. Exercise—especially in cold air—is a frequent asthma trigger. A form of asthma called exercise-induced asthma is triggered by physical activity.

Symptoms of this kind of asthma may not non allergic asthma until after several minutes of sustained exercise. When symptoms appear sooner than this, it usually means that the person needs to adjust his or her treatment.

The symptoms of exercise-induced asthma usually go away non allergic asthma a few hours. With proper treatment, a child with exercise-induced asthma does not need to limit his or her overall physical activity.

See the page on Exercise-Induced Asthma. Weather such as dry wind, cold air, or sudden changes in weather can sometimes bring on an asthma episode.

Asthma Mysteries: What do we know about how non-allergic triggers impact asthma?

Expressing strong emotions non allergic asthma anger, fear or excitement. When a person with asthma laughs, yells, or cries hard, natural airway changes may cause wheezing or other asthma symptoms. Some medications like aspirin can also be related to episodes in adults who are sensitive to aspirin.


Irritants in the environment can also bring on an asthma episode. These irritants may include paint fumes, smog, aerosol sprays and even perfume.

Intrinsic Asthma

People with asthma react in various ways to these factors. Some react to only a few, others to many.

Some people get asthma symptoms only non allergic asthma they are exposed to more than one factor or trigger at the same time. Others have more severe episodes in response to multiple factors or triggers.

Asthma Basics :: Asthma & Allergy Foundation of America of Maryland - Greater Washington DC

In addition, asthma episodes do not always occur right after non allergic asthma person is exposed to a trigger. Depending on the type of trigger and how sensitive a person is to it, asthma episodes may be delayed. Each case of asthma is unique.


If you have asthma, it is important to keep track of the factors or triggers that you know provoke asthma episodes. Because the symptoms do not always occur right after non allergic asthma, this may take a bit of detective work.

Asthma Basics

What Happens During an Non allergic asthma Episode? During normal breathing, the airways to the lungs are fully open, allowing air to move in and out freely. But people with asthma have inflamed, super-sensitive airways. Their triggers cause the following airway changes, which in turn cause asthma symptoms: The lining of the airways swell and become more inflamed Mucous clogs the airways Non allergic asthma tighten around the airways bronchospasm These changes narrow the airways until breathing becomes difficult and stressful, like trying to breathe through a straw stuffed with cotton.

The important thing to know about nighttime asthma is that, working with your doctor, you should be able to sleep through the night.