منابع مشابه
Photo-onycholysis: two cases induced by doxycycline.
Photo-onycholysis is a phototoxic reaction, which is usually drug-induced. It consists of the separation of the nail from the nail bed due to ultraviolet radiation. We report two cases of female patients who developed distal onycholysis while receiving doxycycline. Among the drugs that cause photo-onycholysis, the most frequently cited are tetracyclines, psoralens and fluoroquinolones. Photo-on...
متن کاملNail pitting and onycholysis.
A previously healthy man, 43 years of age, was referred to the dermatology department with a one-year history of fingernail onychomycosis. His condition was refractory to oral antifungal treatment (terbinafine 250 mg QD for three months). On physical examination, nail pitting and onycholysis affecting seven fingernails was noted (Figure 1A). He also had mild erythematous silvery-white scaly pat...
متن کاملDiclofenac-Induced Photo-Onycholysis.
Onycholysis is the detachment of the nail plate from the nail bed. If drug-induced, it can be an isolated phenomenon, but it may also accompany or follow a cutaneous phototoxicity reaction due to drug intake and exposure to ultraviolet irradiation. Photo-onycholysis is a rare photosensitivity reaction due to exposure to either a natural or artificial source of light. Many drugs are responsible ...
متن کاملPathomechanisms of phototoxic dermatitis
A young lady applied herbal mask of common rue (Ruta graveolens) onto her face. After that, she took a nap on a balcony in the full sun. An hour later, she woke up with a burning sensation, erythema and oedema of the skin. A few hours later, painful erythema and oedema developed. Subsequently, she developed a bullous reaction, which became superinfected in the following days. After treatment of...
متن کاملPhototoxic and Photoallergic Reactions
Phototoxicity and photoallergy are different expressions of an abnormal skin reaction from the exposure to light, usually enhanced by endogenous or exogenous substances that are selectively activated by solar radiation. This can occur with artificial light sources (sun lumps used for aesthetic or therapeutic purposes or ultraviolet (UV) sources in occupational settings), but mostly occur on sun...
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ژورنال
عنوان ژورنال: Deutsches Aerzteblatt Online
سال: 2020
ISSN: 1866-0452
DOI: 10.3238/arztebl.2020.0196