Data sources and search strategy
A total of 89 articles were found involving the MeSH Terms ”Neurotic
excoriation”, ”excoriation disorder”, ”itching”, ”skin picking” and
”dermatotillomania”. Initially, it was held the existing exclusion title
and duplications following the interest described in this work. After
this process, 21 articles were included and discussed in this study
(Figure 1). PUBMED, EMBASE, OVID AND COCHRANE LIBRARY databases were
searched. Initially, the descriptors were determined by searching the
DeCS tool and later verified and validated by the MeSH Terms System (US
National Library of Medicine). The present study was elaborated according
to the rules of systematic review- PRISMA (Transparent reporting of
systematic reviews and meta-analyses-
http://www.prisma-statement.org/).