The flare-up phenomenon: recurrence of distant dermatitis during patch testing

The flare-up phenomenon: recurrence of distant dermatitis during patch testing

68 Irritant contact dermatitis (ICD) is a common skin condition and a risk factor for allergic contact dermatitis. The prevalence of this disease in the general population varies between 1.7% and 6.3% and is increasing. The role of the patch test in detection of contact sensitivity is of prime importance. Patch tests should be used to identify topical agents that may be responsible for exacerba...

Patch test triggering recurrence of distant dermatitis: the flare-up phenomenon.

Allergic Contact Dermatitis: Patch Testing Beyond the TRUE Test.

Epicutaneous patch testing is the gold standard method for the diagnosis of allergic contact dermatitis. Despite this knowledge, many clinical dermatologists do not offer patch testing in their offices or offer testing with only a limited number of allergens. Introduced in 1995, the Thin-Layer Rapid Use Epicutaneous Test originally contained 23 allergens and one control. In 2007, five additiona...

Relevance of patch testing in patients with nummular dermatitis.

BACKGROUND A chronic dermatosis like nummular dermatitis may be complicated by contact dermatitis due to an impaired cutaneous barrier. This study is aimed at evaluating secondary contact dermatitis in patients with nummular dermatitis. METHODS Patch testing with the Indian Standard Series was performed in 50 of 78 patients with a clinical diagnosis of nummular eczema. Significant reactions w...

Comparison of patch testing results between job related and non job related allergic contact dermatitis in Iran

Background: Job-related allergic contact dermatitis (ACD) mayprolong the disease duration, increase disabilities, and decreasethe patient’s quality of life. The aim of this study was to determinecommon allergens causing ACD, investigating certain featuresof the disease and evaluating its relation to the patients’ jobs.Method: In this cross-sectional study, relevant data was obtainedfrom patch t...