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To review current evidence on the relationship between obsessive-compulsive disorder and feeding difficulties.
METHODS:
Review the Science Direct and PubMed databases between 2007 and 2017 in English, Portuguese and Spanish. The search terms, used in association, were "obsessive compulsive disorder" and "picky eating/feeding difficulty". Cohort, case control and cross sectional studies were included that analyzed children, adolescents and/or adults of any sample size from any country in the world. Opinion articles were excluded.
RESULTS:
Around 245 articles were selected, and only 4 were included in this review, according to previous criteria. Results from the studies essentially described that there is indeed a difference in "picky" behaviors between subjects with and without obsessive-compulsive disorder. Patients with obsessive-compulsive disorder tend to have exacerbated symptoms of disgust, anxiety and a higher eating behavior inflexibility score.
CONCLUSIONS:
Obsessive-compulsive disorder and feeding difficulties patients share common symptoms. The present study alerts health professionals who follow patients with feeding difficulties as to the importance of investigating possible psychiatric comorbidities.
