| Summary: | We previously observed that topical doxycycline powder was effective in the treatment of umbilical granuloma. This study aims to evaluate the efficacy of this agent. The patients were randomly assigned into inpatient group and outpatient group. Doxycycline powder was administered topically once daily for 5 days. The protocol was restarted if no response observed. Eighty-four patients were included in this study. With one course of therapy, the overall cure rate was 82.14% (69/84), and the statistical difference in response rate was not significant between the 2 groups ( P > .05). With 2 courses of therapy, the overall cure rate was 94.05% (79/84). No complication was observed during treatment. No recurrence was observed during follow-up. The treatment of umbilical granuloma using topical doxycycline is safe and efficacious. The administration of the agent can be performed conveniently by parents at home. This protocol could be considered to be the first treatment option for this disorder in neonates and infants.
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