Delayed-type hypersensitivity reaction to St. John's wort extract confirmed by patch testing

Contact Dermatitis. 2022 Oct;87(4):381-383. doi: 10.1111/cod.14172. Epub 2022 Jun 18.

Authors

Thomas O'Hagan¹, Ilaria Bisconti¹, Claire Leck¹, Thippeswamy Billahalli¹, Sheena Barnett^{1

2}, Karalasingam Rajakulasingam^{1

2}, Timothy J Watts^{1

3}

Affiliations

¹ Department of Respiratory Medicine & Allergy, Homerton Healthcare NHS Foundation Trust, London, UK.
² Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
³ National Heart & Lung Institute, Imperial College London, London, UK.

PMID: 35681252
DOI: 10.1111/cod.14172

No abstract available

Keywords: St. John's wort; case report; delayed-type hypersensitivity; drug patch testing.

Publication types

Case Reports

MeSH terms

Dermatitis, Allergic Contact* / diagnosis
Dermatitis, Allergic Contact* / etiology
Humans
Hypericum* / adverse effects
Patch Tests
Phytotherapy
Plant Extracts / adverse effects

Substances

Plant Extracts