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Related Concept Videos

Allergic Reactions: Anaphylaxis01:30

Allergic Reactions: Anaphylaxis

111
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,...
111
Allergic Reactions02:06

Allergic Reactions

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Hypersensitivities01:30

Hypersensitivities

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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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Drug Toxicity: Allergic Reactions01:30

Drug Toxicity: Allergic Reactions

91
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...
91
Allergic Drug Reactions01:27

Allergic Drug Reactions

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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...
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Cross-reactivity00:42

Cross-reactivity

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Updated: Mar 16, 2026

Application of Biochip Microfluidic Technology to Detect Serum Allergen-specific Immunoglobulin E sIgE
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Food Allergies.

Samuel N Grief1

  • 1Department of Family Medicine, University of Illinois at Chicago, 1919 West Taylor Street, Suite 143, Chicago, IL 60612, USA.

Primary Care
|August 23, 2016
PubMed
Summary
This summary is machine-generated.

Food allergies are increasingly common, prompting widespread preventive measures in public spaces. New strategies are now diminishing the intensity of food allergies, previously considered incurable.

Keywords:
AnaphylaxisDesensitizationFood allergiesFood challengeMilkOral immunotherapyPeanuts

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Area of Science:

  • Allergy and Immunology
  • Public Health

Background:

  • Food allergies are a growing public health concern with increasing prevalence.
  • Preventive measures for food allergies are more visible in public settings like schools and sports venues.
  • Management approaches for food allergies have evolved, allowing primary care practitioners to play a role in diagnosis and treatment.

Purpose of the Study:

  • To summarize the current landscape of food allergy prevalence, prevention, and management.
  • To highlight the evolving role of healthcare providers in addressing food allergies.
  • To introduce the concept that food allergies may be manageable and their severity reduced.

Main Methods:

  • Review of current literature and public health guidelines on food allergies.
  • Analysis of trends in food allergy prevalence and management strategies.
  • Synthesis of information regarding diagnostic and treatment options available to primary care and specialists.

Main Results:

  • Food allergies are a significant and rising health issue.
  • Enhanced public awareness and preventive strategies are being implemented.
  • Treatment advancements offer new hope for managing and potentially reducing food allergy severity.

Conclusions:

  • Food allergies require ongoing public health attention and evolving management strategies.
  • The integration of primary care in food allergy management is increasing.
  • Current research indicates that food allergies, once deemed incurable, can be effectively managed and their impact lessened.