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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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Video Experimental Relacionado

Updated: May 30, 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

La rinitis alérgica es una rinitis alérgica.

Alexander N Greiner1, Peter W Hellings, Guiseppina Rotiroti

  • 1Asthma and Allergy Centre, San Diego, CA, USA.

Lancet (London, England)
|July 26, 2011
PubMed
Resumen
Este resumen es generado por máquina.

La rinitis alérgica, a menudo pasada por alto, afecta la salud y la productividad. El manejo efectivo implica atención dirigida por directrices, farmacoterapia e inmunoterapia específica de alérgenos para mejorar la calidad de vida.

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

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Videos de Experimentos Relacionados

Last Updated: May 30, 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

Área de la Ciencia:

  • Alergología e Inmunología.
  • Pulmonología Pulmonología.
  • La medicina clínica es la medicina clínica.

Sus antecedentes:

  • La rinitis alérgica es una condición prevalente que afecta a todos los grupos de edad, lo que con frecuencia conduce a un diagnóstico insuficiente y maltrato.
  • A pesar de no ser una amenaza para la vida, afecta significativamente la calidad de vida, la productividad y está relacionada con un mal control del asma.
  • La gestión actual a menudo se queda corta, lo que pone de relieve la necesidad de enfoques orientados a las directrices.

Objetivo del estudio:

  • Para enfatizar la relevancia clínica y los costos sociales de la rinitis alérgica.
  • Revisar las estrategias de gestión actuales y resaltar la importancia de un diagnóstico preciso.
  • Discutir la eficacia y seguridad de varias opciones de tratamiento para la rinitis alérgica.

Principales métodos:

  • Revisión de la literatura existente sobre el diagnóstico y el manejo de la rinitis alérgica.
  • Análisis de las opciones farmacoterapéuticas, incluyendo los corticosteroides intranasales y la inmunoterapia.
  • Se hace hincapié en la confirmación del diagnóstico a través de pruebas específicas de reactividad de IgE.

Principales resultados:

  • Los corticosteroides intranasales demuestran superioridad en eficacia y seguridad para el tratamiento de los síntomas de la rinitis alérgica.
  • Las pruebas específicas de reactividad de IgE son cruciales para el diagnóstico y la orientación de las estrategias de control ambiental.
  • La inmunoterapia ofrece el potencial para modificar el curso natural de la rinitis alérgica.

Conclusiones:

  • El manejo eficaz de la rinitis alérgica requiere el cumplimiento de las pautas, un diagnóstico preciso y un tratamiento a medida.
  • La farmacoterapia, particularmente los corticosteroides intranasales, es efectiva, pero la inmunoterapia tiene el potencial de modificar la enfermedad.
  • La educación del paciente y la investigación adicional son vitales para mejorar los resultados en casos persistentes.