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Phototoxic reaction to oral terbinafine due to Tinea capitis in a child.
Acta Dermatovenerol Croat
November 2024
Prof. Ana Bakija-Konsuo, MD, PhD, Clinic for Dermatovenerology CUTIS, Vukovarska 22, Dubrovnik, Croatia;
We report the case of an 18-month-old boy who developed a phototoxic skin reaction to terbinafine on his scalp, ears, and face in the form of disseminated erythematous plaques, which resembled subacute lupus erythematosus (SCLE) in their clinical presentation. Skin changes appeared a short time after the boy was exposed to sunlight during the period of time when he was treated with oral terbinafine due to Microsporum canis fungal scalp infection. Tinea capitis is a common dermatophyte infection primarily affecting prepubertal children (1).
View Article and Find Full Text PDFTopical Sunscreens: A Narrative Review for Contact Sensitivity, Potential Allergens, Clinical Evaluation, and Management for their Optimal Use in Clinical Practice.
Indian Dermatol Online J
October 2024
Department of Dermatology, Venereology and Leprosy, Dr. Radhakrishnan Government Medical College, Hamirpur, Himachal Pradesh, India.
Topical sunscreens decrease the quantity of ultraviolet (UV) light from the sun reaching the skin by either blocking or scattering it and help protect the skin from dyspigmentation, photoaging, DNA damage, and photocarcinogenesis, especially in photosensitive individuals. The significant role played by visible light and infrared light in skin pigmentation and photoaging has been recognized in recent years. The majority of broad-spectrum sunscreens protect against UV-B (290-320nm) and UV-A (320-400nm) radiation.
View Article and Find Full Text PDFSurprising results of patch testing with the baseline series in patients with photocontact allergy to ketoprofen.
Contact Dermatitis
December 2024
Department of Occupational and Environmental Dermatology, Lund University, Skåne University Hospital, Malmö, Sweden.
Objective: Photoallergic reactions due to topical ketoprofen are common. As some simultaneous contact allergies have been described in the literature, we aimed to get an overview of the pattern of reactivity towards common allergens in the baseline series in ketoprofen-photoallergic individuals.
Methods: Using our database, we found 94 patients with photocontact allergy to ketoprofen diagnosed during 1999-2018.
Autosensitization dermatitis secondary to ketoprofen-induced photoallergic contact dermatitis in a pediatric case.
Pediatr Int
September 2024
Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan.
Photopatch testing: Clinical characteristics, test results, and final diagnoses from the North American Contact Dermatitis Group, 2009-2020.
Contact Dermatitis
December 2024
Department of Dermatology, University of Colorado, Aurora, Colorado, USA.
Article Synopsis
- Photoallergic contact dermatitis (PACD) is a hypersensitivity reaction triggered by allergens only when exposed to UV light, requiring photopatch testing (PhotoPT) for diagnosis.* -
- A study from 2009-2020 involving 454 patients revealed that most were women, aged 21-60, and the majority were White; results showed 119 positive tests, predominantly related to sunscreen agents like benzophenones.* -
- Among the diagnosed conditions, approximately 17.2% of patients had PACD, while other diagnoses included allergic contact dermatitis, polymorphous light eruption, and chronic actinic dermatitis, highlighting the need for photopatch testing in these cases.*
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