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Related Concept Videos

Drugs Used in Upper Respiratory Disorders: Overview01:16

Drugs Used in Upper Respiratory Disorders: Overview

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Upper respiratory tract disorders, including viral infections and allergic rhinitis, cause significant discomfort and disrupt daily life. Managing these conditions involves a variety of drugs, such as antihistamines, intranasal steroids, decongestants, antitussives, expectorants, and mucolytics. Specific examples of drugs in each category are provided.
Antihistamines (e.g., Benadryl) block histamines from binding. Histamines are chemicals released during an allergic reaction in the body. As a...
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Drugs Used in Lower Respiratory Disorders: Overview01:17

Drugs Used in Lower Respiratory Disorders: Overview

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Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
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Asthma: Pathogenesis and Management01:20

Asthma: Pathogenesis and Management

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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.
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Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs01:25

Antiasthma Drugs: Mast Cell Stabilizers and Anti-IgE Drugs

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Asthma is a chronic respiratory condition for which new therapeutic avenues, including anti-inflammatory drugs like mast cell stabilizers and anti-IgE treatments, continue to be developed.
Mast cell stabilizers, such as cromolyn (also known as sodium cromoglycate) and nedocromil (Tilade), are effective drugs in asthma management. These stabilizers hinder histamine release by skillfully obstructing the activation of mast cells and other cellular entities. Notably, they navigate this task without...
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Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

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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,...
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Asthma I: Introduction01:28

Asthma I: Introduction

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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

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Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples
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Allergic rhinitis: mechanisms and management.

B A Berman

    The Journal of Allergy and Clinical Immunology
    |May 1, 1988
    PubMed
    Summary
    This summary is machine-generated.

    Allergic rhinitis treatment often requires multiple approaches, as single medications provide limited symptom relief. Cromolyn sodium offers a safe and effective option for preventing and reducing allergic rhinitis symptoms.

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    Area of Science:

    • Allergy and Immunology
    • Pharmacology

    Background:

    • Allergic rhinitis is a complex condition necessitating diverse treatment strategies.
    • Individual medications typically achieve only a 50% symptom reduction.
    • Common treatments include antihistamines, decongestants, corticosteroids, and cromolyn sodium.

    Purpose of the Study:

    • To evaluate the efficacy of various medications in treating allergic rhinitis.
    • To highlight the role of cromolyn sodium in managing allergic rhinitis symptoms.

    Main Methods:

    • Review of commonly prescribed medications for allergic rhinitis.
    • Analysis of individual medication efficacy in symptom reduction.
    • Assessment of cromolyn sodium's mechanism, safety, and effectiveness.

    Main Results:

    • Most medications, when used alone, offer limited symptom relief (around 50% reduction).
    • Cromolyn sodium demonstrates a novel mechanism of action and a strong safety profile.
    • Cromolyn sodium is effective in preventing symptoms and reducing them post-exposure.

    Conclusions:

    • Multimodal treatment is often required for allergic rhinitis.
    • Cromolyn sodium is a valuable therapeutic option for allergic rhinitis due to its safety and efficacy in symptom prevention and reduction.