Hydrogen Peroxide Cream: An Alternative to Topical Antibiotics in the Treatment of Impetigo Contagiosa

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Christensen, Ole B. & Siw Anehus, Hydrogen Peroxide Cream: An Alternative to Topical Antibiotics in the Treatment of Impetigo Contagiosa. Acta Dermato-Venereologica 74: 460-462, 1994.



In total, 256 patients with bacteriologically verified impetigo contagiosa were included in three double-blind, parallel group, randomized, multi-centre trials, where the efficacy of hydrogen peroxide cream (Microcid) was compared with that of fusidic acid cream/gel (Fucidin). The trials were performed at 47 centres in three countries, Sweden, Germany and UK, and the results are compiled in the present report. During the course of the 3-week treatment period, 92 patients out of 128 (72%) in the Microcid group were classified as healed, compared to 105 patients out of 128 (82%) in the Fucidin group. This difference was not statistically significant. The reduction in composite sign severity score (the sum of the score for erythema, vesiculation/bullae, weeping and crusting divided by four) in each separate study was 73%, 78% and 84% in the Microcid group and 85%, 85% and 84% in the Fucidin group. No statistically significant differences were found in the separate studies or when compiling the studies in a meta-analysis. When the patients had been classified as healed, beta-haemolytic streptococci were eliminated in all patients treated with Microcid cream. Since treatment started before the result of the bacteriology was known, another 135 patients with negative skin culture were enrolled in the trials, i.e. 391 patients were included in the safety analysis. Out of these, 23 patients reported the occurrence of adverse events, mainly classified as mild. In conclusion, Microcid cream has been documented as a topical alternative to fusidic acid in the treatment of impetigo.