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Last Updated: Aug 6th, 2008 - 09:50:39 |
Eczema and dermatitis - patch test diagnosis effective
Standard screening using a patch test is the most reliable and useful method in diagnosing patients suffering with allergy-induced eczema and dermatitis, according to researchers at the Institute of Occupational Medicine, Chinese Academy of Preventive Medicine, Beijing, China.
Monitoring 720 patients, the researchers found that more than 50 per cent (376) of the patients showed a worsening of symptoms when exposed to one or more allergens. The positive reactions were most noted for cobaltsulphate (118 cases, 6.4%), potassium dichromate (115 cases, 16.0%), nickelchloride (108 cases, 15.0%) mercuric chloride (106 cases, 14.7%), Beihai detergent powder (63 cases, 8.8%), and p-phenylene diamine (50 cases, 6.9%).
The report concludes that the standard screening for allergens is extremely valuable in trying to understand some of the underlying causes and triggers of dermatitis and eczema.
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