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What Triggers Asthma


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Living with asthma is manageable. But to understand how to live with it, you need to understand what can trigger it. Here’s a look at some of the things that can trigger asthma.


While allergies manifest themselves in different ways, some allergic reactions cause asthma. The list of allergens that can trigger asthma is a long one. Dust mites, rodents, and pet dander are common household allergens. An often overlooked cause allergy is household mold. It can hide in your air vents and trigger a reaction.

There can be outdoor allergens as well. In the spring, pollen may irritate you and cause asthma. There are various types of pollen, and one pollen may cause asthma while another doesn’t bother you.

Respiratory Issues

If you’re not usually prone to asthma, you may experience it as a result of a respiratory illness. One of the symptoms of pneumonia and the flu is asthma. Other illnesses that can trigger it include a cold, sinus infection, and sore throat. While these respiratory issues can cause asthma in an adult, they most often do so in children.

 Airborne Irritants

These irritants are different from allergens because their presence doesn’t cause an allergic reaction. Instead, they make your airways swollen and more narrow. As a result, they trigger asthma.

These irritants include cigarette smoke, smoke from a fire, dust, chemicals, and strong fumes. Different people have different sensitivities to these irritants. So, what triggers asthma in one person may do nothing in another.


When you exercise, your body fuels the work with Oxygen. And that means that you breathe harder. In some people, this causes asthma. Known as exercise-induced bronchocontsriction, this type of asthma is only triggered during exercise.

Exercise-induced bronchoconstritction doesn’t usually show up the second you start to exercise. It takes a few minutes for the asthma to kick in. Fortunately, it is manageable with medication.


The weather can have a direct affect on asthma. Cold air can trigger an attack, as well as dry wind. Sometimes, a seasonal weather change can effect asthma. Additionally, people with exercise-induced bronchoconstriction usually have more asthma attacks when they exercise in cold weather.

Strong Emotions

When you experience a strong emotion, your breathing changes. Anger, excitement, and fear can all trigger asthma. Some of the actions you take while experiencing these emotions (like yelling, laughing, and crying) can also trigger it.


People who suffer from reflux may experience asthma as a direct effect of reflux. There are other medical issues that can have similar results.


Some people are sensitive to aspirin and NSAIDs. Taking them can trigger asthma if you have a sensitivity. Taking beta blockers may make it harder for your to control your asthma.

Knowing Your Triggers

If you know what triggers your asthma, you may be able to prevent an attack. It can also help you and your doctor establish a treatment plan. The next time you have an asthma attack, consider which of these triggers may have been the culprit.

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