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Additionally, some medicines, acid reflux, fragrances, some foods, and cold dry air can trigger asthma attacks in some people. Related: The Best Foods for Healthy Lungs—and the Ones to Avoid
Dry air easily dries out the airways, leading to irritation that can cause swelling and other asthma symptoms. Cold air also causes more histamine production, which is what the body makes during ...
Bronchoconstriction is defined as the narrowing of the airways in the lungs (bronchi and bronchioles). Air flow in air passages can get restricted in three ways: [3] a spasmodic state of the smooth muscles in bronchi and bronchioles; an inflammation in the middle layers of the bronchi and bronchioles; excessive production of mucus.
Breathing in dirty mist can cause flu-like symptoms and more serious infection. People with allergies or asthma may experience increased symptoms due to dirty humidifiers.
Acute severe asthma, also known as status asthmaticus, is an acute exacerbation of asthma that does not respond to standard treatments of bronchodilators (inhalers) and corticosteroids. [2] Asthma is caused by multiple genes , some having protective effect, with each gene having its own tendency to be influenced by the environment although a ...
The main difference between VCD and asthma is the audible stridor or wheezing that occurs at different stages of the breath cycle: VCD usually causes stridor on the inhalation, while asthma results in wheezing during exhalation. [5] [6] [7] Patients with asthma usually respond to the usual medication and see their symptoms resolve.
Asthma is usually triggered by breathing in things in the air such as dust or pollen that produce an allergic reaction. It may be triggered by other things such as an upper respiratory tract infection, cold air, exercise, or smoke. Asthma is a common condition and affects over 300 million people around the world. [3]
Asthma triggers are factors or stimuli that provoke the exacerbation of asthma symptoms or increase the degree of airflow disruption, which can lead to an asthma attack. [1] An asthma attack is characterized by an obstruction of the airway , hypersecretion of mucus and bronchoconstriction due to the contraction of smooth muscles around the ...
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