نتایج جستجو برای: contact dermatitis
تعداد نتایج: 182631 فیلتر نتایج به سال:
Allergic contact dermatitis caused by ranitidine is rare. Most cases of allergic contact dermatitis caused by ranitidine have been related to occupational exposure during the pharmaceutical manufacturing process (1–5). We report a case of allergic contact dermatitis caused by ranitidine hydrochloride (HCl) in a veterinary medicament. Interestingly, there have been two recent reports of allergic...
Allergic contact dermatitis differs from most other immune reactions by its strict dose dependence during the elicitation phase. Moreover, almost all known contact allergens can also induce dose-dependent irritative dermatitis and in general only elicit allergic contact dermatitis in sensitized individuals when applied within a narrow dose range. Therefore, we hypothesized that elicitation of c...
Allergic contact dermatitis affects about 5% of men and 11% of women in industrialized countries and is one of the leading causes for occupational diseases. In an animal model for cutaneous contact hypersensitivity, we show that mice lacking both known cannabinoid receptors display exacerbated allergic inflammation. In contrast, fatty acid amide hydrolase-deficient mice, which have increased le...
The present guideline summarizes all aspects of patch testing for the diagnosis of contact allergy in patients suspected of suffering, or having been suffering, from allergic contact dermatitis or other delayed-type hypersensitivity skin and mucosal conditions. Sections with brief descriptions and discussions of different pertinent topics are followed by a highlighted short practical recommenda...
Contact sensitization is common and affects up to 20% of the general population. The clinical manifestation of contact sensitization is allergic contact dermatitis. This is a clinical expression that is sometimes difficult to distinguish from other types of dermatitis, for example irritant and atopic dermatitis. Several studies have examined the pathogenesis and severity of allergic contact der...
Background/objective: Facial dermatitis is common and the roles different exogenous factors play between facial and nonfacial dermatitis is unknown. The study aim was to investigate the etiology and selfreported exogenous aggravation factors in facial dermatitis. Methods: There were 89 facial dermatitis patients patch tested in a tertiary hospital during a 1-year period, and 112 patients with n...
Introduction: Allergic contact dermatitis is a skin disease representing a type IV immunological reaction, also known as a delayed reaction, according to Gell and Coombs’ classification. It results from hypersensitivity to contact allergens and manifests itself as allergic contact dermatitis skin lesions. This clinical problem mainly affects adults and can be of occupational or non-occupational...
Contact dermatitis after the application of temporary, paint-on, henna tattoos represents a well-known, potentially serious problem of active sensitization. We describe 3 cases involving 3 children of the same age who developed a severe contact dermatitis with massive face and neck swelling after application of black henna to their hair during "Purim" celebrations. All 3 cases had a history of ...
Because of their anti-inflammatory activity, corticosteroids generally mask the clinical signs of a contact dermatitis to a corticosteroid preparation. The lesions usually present as chronic dermatitis, and the patients mostly report not exacerbations but failures to respond to corticosteroid therapy. Moreover, masking also occurs with patch-test reactions obtained with corticosteroid preparati...
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