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Related Concept Videos

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),...
Allergic Reactions02:06

Allergic Reactions

Overview
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...
Drugs Used in Upper Respiratory Disorders: Overview01:16

Drugs Used in Upper Respiratory Disorders: Overview

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...
Allergic Drug Reactions01:27

Allergic Drug Reactions

Allergic reactions related to drugs are hypersensitivity responses driven by the immune system and bear no connection to the drug's therapeutic action. While drugs in isolation do not trigger an immune response, they can interact with endogenous proteins to form antigens. These antigens stimulate lymphocytes to produce antibodies. IgE-type antibodies attach themselves to mast cells. Upon subsequent exposure to the same stimulus, the antigen-antibody interaction is initiated, unleashing numerous...
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...

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Related Experiment Video

Updated: Jun 4, 2026

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
06:08

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay

Published on: September 22, 2023

Allergic rhinitis.

M M Gibson, J H Day

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

    Allergic rhinitis, an immune response in the nasal passages, requires specific tests for accurate diagnosis. Management involves allergen control, medication, and immunotherapy, with intranasal corticosteroids reducing symptoms.

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    Last Updated: Jun 4, 2026

    Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
    06:08

    Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay

    Published on: September 22, 2023

    Acupoint Catgut Embedding Therapy in Traditional Chinese Medicine for Managing Allergic Rhinitis
    03:40

    Acupoint Catgut Embedding Therapy in Traditional Chinese Medicine for Managing Allergic Rhinitis

    Published on: December 20, 2024

    Area of Science:

    • Immunology
    • Otolaryngology

    Background:

    • Allergic rhinitis involves an immediate hypersensitivity immune response of the nasal mucosa to allergens.
    • Clinical presentation can mimic non-allergic rhinitis, complicating diagnosis.
    • Accurate diagnosis relies on specialized laboratory tests, detailed patient history, and physical examination.

    Purpose of the Study:

    • To outline the diagnostic challenges and management strategies for allergic rhinitis.
    • To highlight recent advancements in the treatment of allergic rhinitis.

    Main Methods:

    • Review of diagnostic criteria for allergic rhinitis.
    • Discussion of current management options including allergen avoidance, pharmacotherapy, and immunotherapy.
    • Evaluation of recent therapeutic developments.

    Main Results:

    • Distinguishing allergic rhinitis from non-allergic rhinitis necessitates specific investigations.
    • Comprehensive management strategies are crucial for effective symptom control.
    • Intranasal corticosteroid aerosols have notably decreased morbidity associated with allergic rhinitis.

    Conclusions:

    • Accurate diagnosis of allergic rhinitis depends on a combination of laboratory work, history, and physical exam.
    • Current management strategies encompass allergen control, pharmacotherapy, and immunotherapy.
    • Intranasal corticosteroids offer significant relief, while modified allergens for immunotherapy require further investigation.