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    Trichotillomania is considered a behavioral disorder and is characterized by the recurring habit of pulling one's hair, resulting in secondary alopecia. It affects 1% of the adult population, and 2 to 4.4% of psychiatric patients meet the diagnostic criteria. It can occur at any age and is more prevalent in adolescents and females. Its occurrence in childhood is not uncommon and tends to have a more favorable clinical course. The scalp, eyebrows and eyelashes are the most commonly affected sites. Glutamate modulating agents, such as N-acetylcysteine, have been shown to be a promising treatment. N-acetylcysteine acts by reducing oxidative stress and normalizing glutaminergic transmission. In this paper, we report a case of trichotillomania with an excellent response to N-acetylcysteine.

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    Livia Ariane Lopes Barroso, Flavia Sternberg, Maria Natalia Inacio de Fraia E Souza, Gisele Jacobino de Barros Nunes. Trichotillomania: a good response to treatment with N-acetylcysteine. Anais brasileiros de dermatologia. 2017 Jul 01;92(4):537-539

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    PMID: 28954106

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