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The airways narrow and produce excess mucus, making it difficult to breathe. In essence, asthma is the result of an immune response in the bronchial airways. [3] The airways of asthma patients are "hypersensitive" to certain triggers, also known as stimuli (see below).
Asthma phenotyping and endotyping has emerged as a novel approach to asthma classification inspired by precision medicine which separates the clinical presentations of asthma, or asthma phenotypes, from their underlying causes, or asthma endotypes. The best-supported endotypic distinction is the type 2-high/type 2-low distinction.
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 ...
These meds work by relaxing the smooth muscles that line your airways. During an asthma attack, the muscles tighten and constrict; this, combined with the swelling effect, makes it frighteningly ...
Asthma is a chronic condition that causes inflammation in your airway. During an asthma attack, which can range from mild to severe, the muscles surrounding your bronchial tubes narrow, making it ...
High rates of asthma attacks due to rhinovirus infection are also found in adults. [16] It turns out that rhinovirus are capable of inducing epithelial cells to produce proinflammatory cytokines that result in airway hyperresponsiveness, neurogenic inflammatory responses, mucous secretion, inflammatory cell recruitment and activation, and ...
[citation needed] These medications decrease immune system activity which in turn will decrease swelling of the airways, decrease airway resistance, and increase delivery of air to the alveoli during respiration. Unlike the SABAs, these medications do not provide relief of acute symptoms or asthmatic attacks, and their benefits are typically ...
An asthma attack can also feel a little like a panic attack in some situations. “But asthma can also cause anxiety, so they can double up on each other,” says Dr. Mustafa.