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Related Concept Videos

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 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),...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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...
Allergic Reactions02:06

Allergic Reactions

Overview
Hypersensitivities01:30

Hypersensitivities

Hypersensitivity, also known as a hypersensitivity reaction or allergic reaction, is a condition where the body's immune system reacts abnormally to a foreign substance. Such substances, that cause hypersensitivity are referred to as an allergen, could be something typically harmless to most people, like pollen or certain foods.
Types of Hypersensitivities
Hypersensitivity reactions are categorized into four types: Type 1, Type 2, Type 3, and Type 4. Each type has a distinct mechanism...

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Granulocyte-dependent Autoantibody-induced Skin Blistering
12:23

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Published on: October 12, 2012

Allergic skin disease.

Andrew J Heller1

  • 1Section of Otolaryngology-Head and Neck Surgery, McGuire Veterans Affairs Medical Center, Surgical Service (112), 1201 Broad Rock Boulevard, Richmond, VA 23249, USA. Andrew.Heller@va.gov

Facial Plastic Surgery Clinics of North America
|November 22, 2011
PubMed
Summary
This summary is machine-generated.

Atopic dermatitis and contact dermatitis are common allergic skin conditions that can worsen after surgery. Proper recognition and peri-surgical management by surgeons can prevent flares, reduce patient discomfort, and improve outcomes.

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Area of Science:

  • Dermatology
  • Surgical Patient Care

Background:

  • Atopic dermatitis and contact dermatitis are prevalent allergic skin diseases globally.
  • These conditions are frequently underrecognized by surgical professionals.
  • Unmanaged dermatitis can lead to significant patient discomfort and reduced quality of life, potentially exacerbated by surgical interventions.

Purpose of the Study:

  • To review the pathophysiology and management strategies for atopic and contact dermatitis.
  • To highlight the implications of these skin conditions for surgical practice.
  • To provide guidance on avoiding disease flares in the peri-operative period.

Main Methods:

  • Literature review focusing on the pathophysiology and clinical management of atopic and contact dermatitis.
  • Analysis of the impact of surgical procedures on these dermatoses.
  • Synthesis of peri-surgical management and prophylaxis recommendations.

Main Results:

  • Unrecognized dermatitis can complicate surgical recovery and decrease patient satisfaction.
  • Effective recognition and management, including peri-operative prophylaxis, can mitigate disease exacerbation.
  • Surgical interventions can potentially worsen existing atopic and contact dermatitis.

Conclusions:

  • Surgeons must be aware of atopic and contact dermatitis for optimal patient care.
  • Peri-surgical management is crucial for preventing dermatitis flares and improving surgical outcomes.
  • Improved understanding and management of these common skin conditions enhance patient satisfaction and reduce morbidity.