SOCIAL MEDIA AND MENTAL HEALTH SELF-DIAGNOSIS: RISKS, BENEFITS, AND CLINICAL IMPLICATIONS FOR ADOLESCENTS AND YOUNG PEOPLE

Abstract

Background Adolescents increasingly use social media platforms, including TikTok, Instagram, and Reddit, to obtain information about mental health and psychiatric disorders. Such content may facilitate mental health literacy, validation, and help seeking, but may also expose users to misinformation, oversimplified diagnostic narratives, and algorithmically reinforced content. Aim To examine the potential benefits and risks of mental health self-diagnosis through social media among adolescents and young people, with particular attention to clinical, developmental, ethical, and systemic implications. Materials and Methods A narrative review of literature published primarily between 2020 and 2026 was conducted using PubMed, MEDLINE, and Google Scholar. The search included terms related to social media, mental health, self-diagnosis, adolescents, TikTok, Instagram, attention deficit hyperactivity disorder, autism, depression, anxiety, eating disorders, help seeking behaviour, and digital health literacy. Systematic reviews, meta analyses, observational studies, qualitative studies, clinical studies, and policy publications were considered. Results The identified factors included limited access to professional care, the search for explanations of personal experiences, the need for support, and exposure to algorithmically recommended content. In one content analysis, 52% of the 100 most viewed ADHD related TikTok videos were classified as misleading, and fewer than 50% of the claims were consistent with DSM 5 criteria. Social media may improve access to information and encourage help seeking, but inaccurate or oversimplified content may contribute to misinterpretation of symptoms and premature adoption of diagnostic labels. The available evidence is heterogeneous and generally does not permit causal conclusions. Conclusions Mental health content on social media may support awareness, validation, and help seeking, but it may also encourage inaccurate or overly simplified self-diagnosis. Clinical responses should acknowledge adolescents’ concerns while maintaining comprehensive diagnostic assessment and avoiding premature diagnostic labeling. Further longitudinal and intervention studies are required to determine the effects of social media based self diagnosis on clinical outcomes, identity development, and help seeking.