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Related Concept Videos

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-IV: Nursing Management01:30

Asthma-IV: Nursing Management

The nursing management of asthma is a comprehensive approach that relies heavily on the expertise and dedication of healthcare professionals. It involves thorough assessment, accurate diagnosis, strategic planning, effective implementation, and diligent evaluation. By meticulously following this step-by-step process, healthcare professionals play a crucial role in providing the best possible care and treatment for patients with asthma, enhancing their overall health and well-being.
First, in...
Antiasthma Drugs: Inhaled Corticosteroids and Glucocorticoids01:25

Antiasthma Drugs: Inhaled Corticosteroids and Glucocorticoids

Inhaled corticosteroids (ICS) are anti-inflammatory drugs used primarily in treating persistent asthma and providing long-term maintenance. They target the bronchial mucosa, the lining of the airways, to control inflammation, a critical factor in asthma progression and exacerbation.
ICS work through a multifaceted mechanism of action. They suppress the inflammatory response caused by the proliferation of TH cells. They also reduce the transcription of the IL-2 gene, which is involved in the...
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 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-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

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Related Experiment Video

Updated: Jun 26, 2026

A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells
11:56

A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells

Published on: April 11, 2014

Vitamin C supplementation for asthma.

Balvinder Kaur1, Brian H Rowe, Elizabeth Arnold

  • 1Bartholomew House, Birmingham, UK.

The Cochrane Database of Systematic Reviews
|January 23, 2009
PubMed
Summary
This summary is machine-generated.

Current evidence is insufficient to recommend vitamin C for asthma treatment. More large-scale, high-quality trials are needed to determine if vitamin C supplementation benefits children with asthma.

Related Experiment Videos

Last Updated: Jun 26, 2026

A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells
11:56

A Rapid and Specific Microplate Assay for the Determination of Intra- and Extracellular Ascorbate in Cultured Cells

Published on: April 11, 2014

Area of Science:

  • Pulmonology
  • Nutritional Science
  • Clinical Trials

Background:

  • Vitamin C is a key antioxidant found in lung extracellular fluid.
  • Low vitamin C intake is linked to impaired lung function.
  • Asthma is a chronic respiratory condition affecting lung function.

Purpose of the Study:

  • To assess the effectiveness of vitamin C in treating asthma.
  • To review existing randomized controlled trials on vitamin C and asthma.

Main Methods:

  • Searched Cochrane Airways Review Group asthma register and bibliographies.
  • Included only randomized controlled trials (RCTs) on vitamin C supplementation for asthma.
  • Two independent reviewers selected studies and extracted data.

Main Results:

  • Nine RCTs with 330 participants were included; study quality and reporting were often poor.
  • Five trials provided data on lung function, symptoms, IgE, and steroid use.
  • One small study indicated a potential benefit in FEV1 drop post-exercise.

Conclusions:

  • Insufficient evidence exists to support vitamin C's role in asthma management.
  • Further large-scale, methodologically sound RCTs are required.
  • The effectiveness of vitamin C in pediatric asthma warrants additional investigation.