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Related Concept Videos

Asthma-III: Symptoms and Complications01:24

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
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.
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 III: Clinical Manifestations01:13

Asthma III: Clinical Manifestations

Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
Asthma-IV: Diagnostic and Management01:30

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:
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...

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Related Experiment Video

Updated: May 13, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

[Association between paracetamol exposure and asthma: update and practice guidelines].

L Moral1, J Torres-Borrego, J Korta Murua

  • 1Unidad de Alergología y Neumología Pediátrica, Hospital General Universitario de Alicante, Alicante, España. lmoralg@gmail.com

Anales De Pediatria (Barcelona, Spain : 2003)
|March 7, 2013
PubMed
Summary

Current evidence does not support discouraging paracetamol use in pregnancy or childhood, despite observed asthma associations. More randomized trials are needed to confirm any causal link.

Keywords:
AsmaAsthmaChildhoodEpidemiological studiesEstudios epidemiológicosGestaciónInfanciaParacetamolPregnancy

Related Experiment Videos

Last Updated: May 13, 2026

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma

Published on: November 4, 2010

Area of Science:

  • Pediatric Allergy and Immunology
  • Epidemiology of Respiratory Diseases
  • Pharmacovigilance

Context:

  • Rising asthma prevalence globally, particularly in developed nations.
  • Observed associations between paracetamol (acetaminophen) exposure during gestation and childhood and increased asthma risk.
  • Limitations of observational studies in establishing causality due to confounding factors and biases.

Purpose:

  • To review the current evidence on the association between paracetamol use and asthma prevalence.
  • To evaluate the strength of evidence linking paracetamol exposure to asthma development.
  • To inform clinical recommendations regarding paracetamol use in pregnant women and children.

Summary:

  • Observational studies suggest a link between paracetamol exposure and asthma, but causality remains unproven.
  • Significant confounding factors and potential biases limit the interpretation of current data.
  • Randomized controlled trials are essential to definitively determine if paracetamol influences asthma development.

Impact:

  • Current evidence is insufficient to warrant discouraging paracetamol use in pregnant women or children with asthma or at risk.
  • Highlights the need for rigorous research, specifically randomized trials, to clarify the paracetamol-asthma relationship.
  • Provides guidance for healthcare professionals and public health policy concerning paracetamol and pediatric respiratory health.