Trichotillomania is a relatively rare impulse control dis-order that causes patients to pull out own hair. Studies regarding the pharmacological treatment in children or adults are scarce, and there is a lack of consensus on drug treatment. The current trend is to use mood stabilizers for reducing repetitive behaviors.We present the case of 9-years-old child whose symptoms showed remarkable improvement after the administration of valproic acid. Our case is the second case in the litera-ture that effectively treated with valproic acid. Addition-ally, this report indicates that this drug is potentially ef-fective in reducing and also terminating complaints of tri-chotillomania. Further studies are needed to understand course of this disorder and considering the best treatment options
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