Yektaş, ÇiğdemCansız, Mehmet AkifTufan, Ali Evren2021-06-232021-06-2320160362-56641537-162Xhttps://doi.org/10.1097/WNF.0000000000000163https://hdl.handle.net/20.500.12491/8763Attention deficit hyperactivity disorder (ADHD) is among the most frequently reported coexisting psychiatric conditions in children with encopresis. Some case reports state that atomoxetine-a selective presynaptic norepinephrine reuptake inhibitor-approved for treatment of ADHD is also effective in the treatment of coexisting encopresis. Contrasting those reports, here we present a case diagnosed with ADHD and secondary encopresis without constipation whose encopretic symptoms increased after atomoxetine treatment and discuss possible mechanisms.eninfo:eu-repo/semantics/closedAccessAtomoxetineEncopresisAttention Deficit Hyperactivity DisorderIncreased frequency of encopresis in a child diagnosed with attention deficit/hyperactivity disorder and encopresis after atomoxetine use: a case reportCase Report10.1097/WNF.0000000000000163394212213273326282-s2.0-84975524419Q3WOS:000380812700011Q4