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Related Concept Videos

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Allergic Reactions: Anaphylaxis

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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...
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Related Experiment Video

Updated: Jul 12, 2026

Resolving Water, Proteins, and Lipids from In Vivo Confocal Raman Spectra of Stratum Corneum through a Chemometric Approach
09:32

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Published on: September 26, 2019

Contact Allergy Screening for Atopic Dermatitis.

Mykayla Sandler1, JiaDe Yu2

  • 1Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, 50 Staniford Street, Suite 200, Boston, MA 02114, USA.

Immunology and Allergy Clinics of North America
|July 9, 2026
PubMed
Summary
This summary is machine-generated.

Atopic dermatitis (AD) and allergic contact dermatitis (ACD) often coexist. This review covers screening for contact allergies in AD patients and relevant allergens.

Keywords:
Allergic contact dermatitisAtopic dermatitisContact allergyPatch testing

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Area of Science:

  • Dermatology
  • Allergology
  • Immunology

Background:

  • Atopic dermatitis (AD) and allergic contact dermatitis (ACD) are prevalent inflammatory skin conditions affecting both children and adults.
  • These conditions frequently present with similar symptoms and can occur concurrently in patients.
  • Distinguishing between AD and ACD can be challenging due to overlapping clinical features.

Purpose of the Study:

  • To review current evidence and guidelines for screening contact allergies in patients diagnosed with atopic dermatitis.
  • To identify and discuss common allergens relevant to adults and children with atopic dermatitis.
  • To provide insights into the diagnostic challenges of patch testing in AD patients.

Main Methods:

  • Literature review of current evidence and clinical guidelines.
  • Analysis of diagnostic approaches for differentiating AD and ACD.
  • Identification of prevalent contact allergens in pediatric and adult populations with AD.

Main Results:

  • Patch testing is the gold standard for diagnosing ACD and can aid in differentiating it from AD.
  • Patch testing in patients with AD poses challenges due to the risk of "angry back reactions."
  • The review identifies frequently encountered allergens in adults and children with AD.

Conclusions:

  • Screening for contact allergies is crucial in patients with atopic dermatitis.
  • Understanding common allergens and potential testing challenges is essential for accurate diagnosis and management.
  • Further research may refine patch testing protocols for AD patients to minimize adverse reactions.