Orthorexia nervosa presenting as prodrome of schizophrenia

Orthorexia nervosa: relationship with obsessive-compulsive symptoms, disordered eating patterns and body uneasiness among Italian university students

“…This characteristic (body image discomfort) could be noteworthy able to differentiate ON from others eating disorders, but further research will be needed to confirm this finding. At present, some studies [9,26,50] revealed that there is a correlation between ON and body image concerns in females (in contrast to previous case studies [6,22,[51][52][53] reporting no body image concerns or issues regarding weight in ON subjects). In addition, one study has shown the positive association between ON (measured by BOT) and body dysmorphic disorder (measured by BDDQ) among college students [49].…”

Self‐reported symptoms and health service use in adolescence in persons who later develop psychotic disorders: A prospective case‐control study

“…20,21 Studies report that patients in the early phases of psychotic disorders can experience symptoms of somatoform disorders, anxiety disorders, posttraumatic stress disorders or eating disorders, including hypochondriac-cenesthopathic symptoms. [22][23][24][25][26][27][28] There are limited reports on the co-occurrence of eating disorders with schizophrenia spectrum disorders outside of case reports. 24,29,30 However, one study evaluating the co-occurrence of eating disorders with bipolar disorders indicated a 14% co-morbidity.…”

Orthorexia nervosa: definicje, kryteria, klasyfikacje – kontrowersje i rozbieżności w wynikach badań

“…Choć najwięcej publikacji dotyczy porównań ortoreksji z zaburzeniami odżywiania (szczególnie anoreksją) oraz OCD, niektóre wskazują również na inne powiązania. Istotny wydaje się rys paranoidalny oraz dziwaczność symptomów w przebiegu ON, które mogą stanowić o rozwoju zaburzeń psychotycznych lub być zwiastunem schizofrenii (Saddichha, Babu, Chandra, 2012;Moroze i in., 2015). Według niektórych badaczy ortoreksja wraz z anoreksją znajduje się na jednym kontinuum zaburzeń, dzieląc wiele cech wspólnych z ASD (Autism Spectrum Disorder) (Gillberg i in., 2010; Dell'Osso i in., 2016), lecz opublikowano już badanie podważające ten pogląd (Hayatbini, Oberle, 2019).…”