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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).
As a result, inflammation and associated healing process leads to scar formation and tissue remodelling, which are symptoms that can be found in almost all asthmatics patients. Thus, asthma is a chronic inflammatory disorder of the airways. Asthma is divided into two subgroups: atopic (extrinsic) and non-atopic (intrinsic).
Here's What an Asthma Attack Feels Like. Over-the-Counter Asthma Medications. ... Asthma Attack Treatment Plan. If you’ve had asthma for a while, you start to know what might trigger an attack ...
An anti-asthmatic agent, also known as an anti-asthma drug, refers to a drug that can aid in airway smooth muscle dilation to allow normal breathing during an asthma attack or reduce inflammation on the airway to decrease airway resistance for asthmatic patients, or both. The goal of asthmatic agents is to reduce asthma exacerbation frequencies ...
"This causes recurrent episodes of coughing, wheezing, and chest tightness," says Dr. Laura Conrad, director of the Pediatric Asthma Center at the Children’s Hospital at Montefiore in New York.
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.
Here’s what those with asthma can do to avoid a wintertime asthma attack that leads to an emergency room visit: Regularly take all prescribed medications, and bring an inhaler with you when ...
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 ...