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Childhood asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, leading to recurrent episodes of wheezing, shortness of breath, chest tightness and coughing. Around 4.9 million children in the US suffer from asthma [1]. It is difficult to diagnose asthma in children younger than 6 years of age.
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.
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Habit cough is commonly characterized by a harsh barking cough, and can persist for weeks, months, and even years. The cough's hallmarks are severe frequency, sometimes a cough every 2–3 seconds, and the lack of other symptoms such as fever. The patient can have trouble falling asleep but once asleep will not cough.
Children usually develop asthma symptoms before turning 5, but developing asthma as an adult isn't unheard of. Other symptoms, like shortness of breath, wheezing and persistent cough, were more ...
The diagnosis is usually considered later by ruling out other life-threatening conditions or more common diagnoses such as asthma and GERD, and by seeing an improvement in symptoms with inhaled corticosteroid treatment. [2] [3] [6] [8] [9] Chest X-rays and lung function tests are usually normal. CT scans may show some diffuse airway wall ...
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 genetic link leading to acute severe asthma is still unknown. [3] Symptoms include chest tightness, rapidly progressive dyspnea (shortness of breath), dry cough, use of accessory respiratory ...
According to the Mayo Clinic, “Allergy symptoms, which depend on the substance involved, can affect your airways, sinuses and nasal passages, skin, and digestive system.” [5] The severity of the following symptoms varies from child to child. [5] The symptoms of indoor and outdoor allergies in children may include: [18] [19] Runny nose
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