Efficacy of bleach baths in reducing severity of atopic dermatitis: A systematic review and meta-analysis

Publication date: November 2017
Source:Annals of Allergy, Asthma & Immunology, Volume 119, Issue 5
Author(s): Rishi Chopra, Paras P. Vakharia, Ryan Sacotte, Jonathan I. Silverberg
BackgroundBleach baths have been proposed as a treatment for decreasing the severity of atopic dermatitis (AD). However, conflicting results have been found regarding their efficacy.ObjectiveTo determine the efficacy of bleach vs water baths at decreasing AD severity.MethodsWe performed a systematic review of all studies evaluating the efficacy of bleach baths for AD. Cochrane, EMBASE, GREAT, LILACS, MEDLINE, and Scopus were searched. Two authors independently performed study selection and data extraction.ResultsFive studies were included in the review. Four studies reported significantly decreased AD severity in patients treated with bleach on at least 1 time point. However, of 4 studies comparing bleach with water baths, only 2 found significantly greater decreases in AD severity with bleach baths, 1 found greater decreases with water baths, and 1 found no significant differences. In pooled analyses, there were no significant differences observed between bleach vs water baths at 4 weeks vs baseline for the Eczema Area and Severity Index (I² = 98%; random effect regression model, P = .16) or body surface area (I² = 96%; P = .36).ConclusionAlthough bleach baths are effective in decreasing AD severity, they do not appear to be more effective than water baths alone. Future larger-scale, well-designed randomized controlled trials are needed.



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