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Related Concept Videos

Allergic Reactions02:06

Allergic Reactions

Overview
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),...
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...
Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

Drug-related allergies are immune-mediated responses triggered by the administration of pharmacological agents. These hypersensitivity reactions are classified based on the immune mechanisms involved. The four primary types—Type I, II, III, and IV—are mediated by different immunological pathways and exhibit distinct clinical manifestations.Type I Hypersensitivity/ IgE-Mediated Reactions: Immunoglobulin E (IgE) immediately mediates Type I hypersensitivity reactions. Upon initial exposure to 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...

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Related Experiment Video

Updated: Jun 8, 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].

Afifa Charfi1, Rim Zainine, Sourour Ben Ali

  • 1Service ORL & CMF, La Rabta, Tunis.

La Tunisie Medicale
|October 5, 2010
PubMed
Summary
This summary is machine-generated.

Effective allergic rhinitis management requires understanding its progression and symptoms. Optimal treatment and prevention strategies are crucial for patients experiencing this common allergic condition.

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Related Experiment Videos

Last Updated: Jun 8, 2026

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
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Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
08:47

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

Published on: March 3, 2023

Area of Science:

  • Allergology and Immunology
  • Otorhinolaryngology
  • General Practice

Context:

  • Allergic rhinitis presents a persistent challenge for healthcare providers, including general practitioners, pediatricians, ENTs, and allergologists.
  • The increasing prevalence of allergies in society underscores the ongoing relevance of allergic rhinitis research and management.

Purpose:

  • To delineate the diagnostic and therapeutic standards for allergic rhinitis.
  • To provide a comprehensive overview of allergic rhinitis, covering its pathophysiology, clinical manifestations, diagnostic approaches, and treatment modalities.

Summary:

  • A literature review was conducted to explore the physiopathology, clinical symptoms, diagnostic investigations, and therapeutic options for allergic rhinitis.
  • Optimal management of allergic rhinitis necessitates a thorough understanding of the disease, encompassing effective prevention strategies and appropriate treatment protocols.

Impact:

  • Improved patient outcomes through enhanced comprehension and application of diagnostic and therapeutic criteria for allergic rhinitis.
  • Guidance for clinicians in managing allergic rhinitis, emphasizing the importance of disease knowledge and symptom prevention for better patient care.