Photoallergic Contact Dermatitis

  • Özge Aşkın
  • Seher Küçükoğlu Cesur
  • Burhan EnginEmail author
  • Yalçın Tüzün
Photodermatology (B Adler and V DeLeo, Section Editor)
Part of the following topical collections:
  1. Topical Collection on Photodermatology


Purpose of Review

Photoallergic contact dermatitis (PACD) is a delayed-type hypersensitivity reaction to a photoactivated allergen applied to the skin. The purpose of this review is to provide comprehensive information about the mechanism of photoallergic contact dermatitis and to make an outline of its etiopathogenesis, clinical features, and treatment methods.

Recent Findings

PACD lesions are generally localized in areas which are exposed to light. However, reactions may spread to covered areas of the body. Most prevalent photoallergens are present in sunscreens and NSAIDs. The diagnosis of PACD is based on patient history and a clinical examination and is confirmed by a photopatch test which allows the distinct separation between PACD and allergic contact dermatitis. Although the basic treatment for PACD is in form of avoiding photoallergens, topical corticosteroids, antihistamines, and immunomodulatory drugs can also be used in the treatment.


Photoallergic contact dermatitis is a skin condition caused by UV light exposure after contact with photoallergen or uptake of photosensitizer agent. PACD should always be kept in mind in a patient with history of photosensitivity.


Photoallergic contact dermatitis Photopatch test Treatment 


Compliance with Ethical Standards

Conflict of Interest

Özge Aşkın, Seher Küçükoğlu Cesur, Burhan Engin, and Yalçın Tüzün declare no conflict of interest.

Human and Animal Rights and Informed Consent

This article does not contain any studies with human or animal subjects performed by any of the authors.


Papers of particular interest, published recently, have been highlighted as: • Of importance •• Of major importance

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Özge Aşkın
    • 1
  • Seher Küçükoğlu Cesur
    • 2
  • Burhan Engin
    • 1
    Email author
  • Yalçın Tüzün
    • 2
  1. 1.Department of Dermatology, Cerrahpaşa Medical FacultyIstanbul University-CerrahpaşaIstanbulTurkey
  2. 2.Medikal Park Bahçelievler HospitalIstanbulTurkey

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