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Related Concept Videos

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.
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The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
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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.
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Allergic Drug Reactions01:27

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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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A Mouse Ear Model for Allergic Contact Dermatitis Evaluation
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Triggered Skin Sensitivity: Understanding Contact Dermatitis.

Haris M Sheikh1, Roshan K Jha2

  • 1College of Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND.

Cureus
|June 3, 2024
PubMed
Summary
This summary is machine-generated.

Dermatitis, a common skin inflammation, presents in various forms like atopic and contact dermatitis. Early diagnosis and treatment, focusing on allergen identification, are crucial for managing this condition effectively.

Keywords:
contact dermatitiscontact dermititsdermitisdertits\irritant contact dermatitis

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Area of Science:

  • Dermatology
  • Allergology
  • Pediatrics

Background:

  • Dermatitis encompasses inflammatory skin conditions such as atopic dermatitis and contact dermatitis.
  • Atopic dermatitis is increasingly prevalent in children, characterized by itching, dryness, and eczema.
  • Contact dermatitis, a common irritant reaction, is frequently work-related and affects the face and hands.

Purpose of the Study:

  • To review the diagnostic approaches and management strategies for various types of dermatitis.
  • To highlight the significance of accurate allergen identification in allergic contact dermatitis.
  • To emphasize the importance of early intervention in preventing the chronicity of skin conditions.

Main Methods:

  • Comprehensive patient history, including appearance, age, and dermatitis type.
  • Diagnostic techniques such as patch testing, skin tests, and serum allergen-specific IgE testing.
  • Evaluation of potential allergen exposure and challenge testing.

Main Results:

  • Allergic contact dermatitis (ACD) is a common reaction to allergens, affecting all age groups.
  • Metals, fragrances, topical antimicrobials, chemicals, and fabric softeners are identified as frequent allergens in the US.
  • Accurate allergen identification facilitates targeted avoidance and management.

Conclusions:

  • Early and appropriate treatment is critical for managing dermatitis and preventing complications.
  • Corticosteroids remain a primary treatment option for allergic dermatitis.
  • Understanding common allergens is key for effective prevention and treatment strategies in both children and adults.