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The efficacy of permethrin 5% vs. oral ivermectin for the treatment of scabies.

Human scabies is caused by an infestation of the skin by the human itch mite (Sarcoptes scabiei var. hominis). The aim of this study is to compare the efficacy and safety of permethrin 5% lotion with oral ivermectin for the treatment of scabies. In total, 60 patients with scabies were enrolled, and randomized into two groups: The first group and their family contacts received 5% permethrin cream twice with a one week interval, and the other received a single dose of oral ivermectin. Treatment was evaluated at intervals of 2 and 4 weeks. A single dose of ivermectin provided a cure rate of 62.4%, which increased to 92.8% with 2 doses at a 2-week interval. Treatment with two applications of permethrin with a one week interval was effective in 96.9% of patients. Permethrin-treated patients recovered earlier. Two applications of permethrin with a one week interval is more effective than a single dose of ivermectin. Two doses of ivermectin is as effective as a single application of permethrin.