Contact dermatitis
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Notes
Contact dermatitis
Immune system
Hypersensitivity reactions
Anaphylaxis
Asthma
Food allergy
Type I hypersensitivity
Autoimmune hemolytic anemia
Goodpasture syndrome
Graves disease
Hemolytic disease of the newborn
Myasthenia gravis
Pemphigus vulgaris
Rheumatic heart disease
Type II hypersensitivity
Poststreptococcal glomerulonephritis
Serum sickness
Systemic lupus erythematosus
Type III hypersensitivity
Contact dermatitis
Graft-versus-host disease
Type IV hypersensitivity
Immunodeficiences
Asplenia
Common variable immunodeficiency
Hyperimmunoglobulin E syndrome
IgG subclass deficiency
Isolated primary immunoglobulin M deficiency
Selective immunoglobulin A deficiency
X-linked agammaglobulinemia
Adenosine deaminase deficiency
Ataxia-telangiectasia
Hyper IgM syndrome
Severe combined immunodeficiency
Wiskott-Aldrich syndrome
Complement deficiency
Hereditary angioedema
Cytomegalovirus infection after transplant (NORD)
Post-transplant lymphoproliferative disorders (NORD)
Chediak-Higashi syndrome
Chronic granulomatous disease
Leukocyte adhesion deficiency
Immune system pathology review
Blood transfusion reactions and transplant rejection: Pathology review
Immunodeficiencies: Combined T-cell and B-cell disorders: Pathology review
Immunodeficiencies: Phagocyte and complement dysfunction: Pathology review
Immunodeficiencies: T-cell and B-cell disorders: Pathology review
Assessments
Contact dermatitis
Flashcards
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USMLE® Step 1 questions
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High Yield Notes
6 pages
Flashcards
Contact dermatitis
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Questions
USMLE® Step 1 style questions USMLE
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Reproduced from Flickr
Which of the following factors most likely triggered this patient’s skin condition?
External References
First Aid
2022
2021
2020
2019
2018
2017
2016
Contact dermatitis p. 111
Hypersensitivity reaction type IV
contact dermatitis p. 489
Type IV hypersensitivity reactions
contact dermatitis p. 489
Summary
Contact dermatitis is a type of skin rash that occurs when your skin comes into contact with an allergen or irritant. It is considered a type IV (delayed) hypersensitivity reaction, and commonly associated allergens include perfumes, cosmetics, latex, detergents, and plants such as poison ivy. Common symptoms include skin redness, swelling, itching, blisters, and dry skin. In severe cases, contact dermatitis can lead to cracks in the skin that may become infected.
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