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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

Overview
Asthma-I: Introduction01:29

Asthma-I: Introduction

Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
Asthma I: Introduction01:28

Asthma I: Introduction

Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

Anaphylaxis is a severe, life-threatening hypersensitivity reaction mediated by Immunoglobulin E (IgE) antibodies. When IgE binds to allergens, it triggers the release of mediators– histamine, leukotrienes, and prostaglandins from mast cells and basophils. These mediators cause vasodilation, edema, and inflammation, leading to various symptoms.The primary allergens causing anaphylaxis include food items (e.g., peanuts, shellfish), drugs (e.g., penicillin, asparaginase, corticotropin, heparin),...
Asthma-II: Pathophysiology and Classification01:26

Asthma-II: Pathophysiology and Classification

Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:

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Related Experiment Video

Updated: Jun 4, 2026

Identification and Characterization of Immunogenic RNA Species in HDM Allergens that Modulate Eosinophilic Lung Inflammation
08:44

Identification and Characterization of Immunogenic RNA Species in HDM Allergens that Modulate Eosinophilic Lung Inflammation

Published on: May 30, 2020

House-dust allergy.

C A Johnson

    Canadian Family Physician Medecin De Famille Canadien
    |February 3, 2011
    PubMed
    Summary
    This summary is machine-generated.

    House-dust allergy, often causing allergic rhinitis and asthma, is linked to house-dust mites. Effective management involves reducing mite exposure and using medication, though immunotherapy remains debated.

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    Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
    08:47

    Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

    Published on: March 3, 2023

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    Last Updated: Jun 4, 2026

    Identification and Characterization of Immunogenic RNA Species in HDM Allergens that Modulate Eosinophilic Lung Inflammation
    08:44

    Identification and Characterization of Immunogenic RNA Species in HDM Allergens that Modulate Eosinophilic Lung Inflammation

    Published on: May 30, 2020

    Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
    08:47

    Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber

    Published on: March 3, 2023

    Area of Science:

    • Allergy and Immunology
    • Environmental Health

    Background:

    • House-dust allergy is a prevalent condition.
    • It frequently manifests as perennial allergic rhinitis and extrinsic asthma.
    • Symptoms are often exacerbated in the bedroom environment.

    Purpose of the Study:

    • To summarize the key aspects of house-dust allergy.
    • To outline diagnostic and treatment strategies.
    • To address the role of house-dust mites and immunotherapy.

    Main Methods:

    • Review of existing literature on house-dust allergy.
    • Description of diagnostic confirmation via skin testing.
    • Outline of treatment modalities including environmental control and pharmacotherapy.

    Main Results:

    • House-dust mites are the primary allergens in house dust.
    • Skin tests are crucial for diagnosis.
    • Environmental modification to reduce mite levels is a cornerstone of treatment.

    Conclusions:

    • House-dust allergy requires a multi-faceted approach.
    • Environmental control and symptomatic treatment are key.
    • The efficacy and role of immunotherapy warrant further consideration.