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Asthma-I: Introduction

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-II: Pathophysiology and Classification

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:

Asthma: Pathogenesis and Management

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.

Asthma-III: Symptoms and Complications

Asthma-III: Symptoms and Complications

Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma

Allergic Reactions

Allergic Reactions

Asthma-IV: Diagnostic and Management

Asthma-IV: Diagnostic and Management

The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:

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Updated: Jul 10, 2025

Author Spotlight: Advancing Allergic Rhinitis Research with Multicolor Immunofluorescence

Author Spotlight: Advancing Allergic Rhinitis Research with Multicolor Immunofluorescence

Published on: September 22, 2023

Air Quality, Allergic Rhinitis, and Asthma.

Abdulrahman Alenezi¹, Hannan Qureshi¹, Omar G Ahmed²

¹Department of Otolaryngology- Head and Neck Surgery, Johns Hopkins School of Medicine, Johns Hopkins Outpatient Center, 6th Floor, 601 North Caroline Street, Baltimore, MD 21287-0910, USA.

Otolaryngologic Clinics of North America

|November 20, 2023

Summary

Air pollution significantly impacts respiratory health, worsening conditions like allergic rhinitis and asthma. This review details pollutants

Keywords:

Air pollution Air quality Airway inflammation Allergic rhinitis Asthma Exacerbation Inflammation TRAP

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

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

Published on: March 3, 2023

Area of Science:

Environmental Health
Pulmonology
Allergology

Background:

Air pollution is recognized by the World Health Organization as the primary global environmental threat to human health.
Respiratory diseases, including upper and lower airway conditions, are significantly influenced by environmental factors.
Allergic rhinitis and asthma are prevalent conditions exacerbated by air quality.

Purpose of the Study:

To review the multifaceted effects of air pollution on the development and exacerbation of allergic rhinitis and asthma.
To elucidate the role of various air pollutant components in respiratory disease pathogenesis.
To synthesize evidence on air pollution's impact across different age groups and geographical regions.

Main Methods:

Comprehensive literature review of existing studies on air pollution and respiratory diseases.
Analysis of data linking specific air pollutants to asthma and allergic rhinitis.
Examination of epidemiological and clinical evidence regarding disease development and exacerbation.

Main Results:

Evidence-based links between various air pollutants and the onset of allergic rhinitis and asthma.
Demonstration of air pollution's role in exacerbating existing cases of these respiratory conditions.
Variations in impact observed across different demographics and locations.

Conclusions:

Air pollution is a critical factor in the global burden of respiratory diseases like allergic rhinitis and asthma.
Understanding pollutant effects is crucial for public health interventions and disease management.
Further research is needed to address geographical and age-specific vulnerabilities to air pollution.