Allergic contact urticaria due to chloramine.

This article reports on contact urticaria due to the effect of chloramine. Chioramine is commonly used as a sterilizer, disinfectant, and chemical reagent. It has been described as an occupational hazard for pharmaceutical workers. This article cites a case study of 52-year-old female nurse who developed itchy erythematous plaques on the dorsa of both hands. Doctors suspected that this is due to her hospital duties involving contact with irritants such as soaps, detergents and antiseptic solutions. After having suffered for several months from recurrent attacks of edema of the eyelids tingling sensation in her mouth and occasionally in her fingers whenever she came in contact with chloramine powder. On patch testing it was found that patient reacted positively with chloramine solution.