Study objectiveCyberchondria is defined as a form of anxiety characterized by excessive health searches on the Internet. Our aim in this study is to investigate the extent of cyberchondria in adolescents with polycystic ovary syndrome and to compare them with adolescents of the same age. Methods426 adolescents who presented to clinic between April 2023 and September 2023 and agreed to participate in the study were included in the study. Patients were divided into two groups: polycystic ovary syndrome (PCOS) group (135 patients) and control group (291 patients). The Cyberchondria Severity Scale (CSS) was administered to participants face-to-face. The CSS and subscale scores of both patient groups were analyzed and compared. ResultsTotal CSS scores were significantly different between groups (p=.007) with a mean value of 72 (59-83) in the control group and 77 (63-91) in the PCOS group. When cyberchondria subscales were analysed, statistical difference was found between the groups in the subcategories of compulsion (p:0.015), distress (p:0.039), excessiveness (p:0.028) and mistrust of medical professional (p:0.005). ConclusionsAdolescents with PCOS demonstrated higher levels of cyberchondria which could aggravate associated symptoms of anxiety and depression. Health providers should be mindful to evaluate internet use in this patient population and provide anticipatory guidance.